We spent many hours on research to finding spiral step drill metric, reading product features, product specifications for this guide. For those of you who wish to the best spiral step drill metric, you should not miss this article. spiral step drill metric coming in a variety of types but also different price range. The following is the top 10 spiral step drill metric by our suggestions:
Reviews
1. RUIMI Titanium Step Drill Bit Spiral Metric Sizes 3Pcs
Feature
TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capabilitySPLIT POINT TIP | increases cutting speed with self-centering and prevents walking
Spiral Flute DESIGN | clears chips faster and allows particles to escape easily
Hex SHANK | fits into power tools chuck securely and eliminates slip
INCLUDES 10 STEP SIZES | 1# 1/4-1-3/8'' 2# 3/16-7/8'' 3# 1/4-3/4'' 4# 1/8-1/2'' 5# 3/16-1/2''
Description
5pcs HSS Spiral Grooved Step Drill Bit 4-12/4-20/4-32Features :
No need for a pilot hole
Titanium coated to reduce friction and run cooler
Large bit has 3 sided shank.
Automatically deburr holes as you drill
High speed steel,durable.
Widely used to cut holes in a variety of material like steel, wood, thin iron, aluminum alloy, insulation boards, PVC sheet,ect
Specification :
Color : Golden (as picture shown)
Material :High speed steel
Surface :Titanium Plated
Scop : thin iron plate,aluminum,insulation panels,PVC panels 4mm thickness within the timber.
1#"1/4 - 1-3/8" 10 Steps (1/4;3/8;1/2;5/8;3/4;7/8;1;1-1/8;1-1/4;1-3/8)
2#"3/16 - 7/8" 12 Steps (3/16;1/4;5/16;3/8;7/16;1/2;9/16;5/8;11/16;3/4;13/16;7/8)
3#"1/4 - 3/4" 9 Steps (1/4,5/16,3/8,7/16,1/2,9/16,5/8,11/16,3/4)
4#"1/8 - 1/2" 12 Steps (1/8;5/32;7/32;1/4;9/32;5/16;11/32;3/8;13/32;7/16;15/32;1/2)
5#"3/16 - 1/2" 6 Steps (3/16;1/4;5/16;3/8;7/16;1/2)
Package included :
1 x 1/4-1-3/8 Spiral Grooved Drill
1 x 3/16-7/8 Spiral Grooved Drill
1 x 1/4-3/4 Spiral Grooved Drill
1 x 1/8-1/2 Spiral Grooved Drill
1 x 3/16-1/2 Spiral Grooved Drill
2. CO-Z HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Punch, 50 Sizes in 5 High Speed Steel Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers
Feature
HSS STEEL CONSTRUCTION: High-speed steel construction for longer cutting edge life even at extreme temperaturesTITANIUM COATING: Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
AUTOMATIC CENTER PUNCH: Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force
50 SIZE IN 5: The bits set includes five standard step drill bits that can replace 50 individual drill bits.
A MUST-HAVE FOR HANDYMAN OR PROFESSIONALS: Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.
Description
Description:
Our step drill bit set provides faster and more convenient drilling than single flute bits. The
easy-to-read step markings and targets save time when drilling holes, perfect for HVAC work,
home repairs and light jobs such as drilling holes in plastic, aluminum, copper, stainless steel
and many other types of sheet metal. Double cutting blades and X-type openings design
ensure a faster and smoother cutting and 3-sided shank design prevents slip in drill chuck.
Specification:
Size:
#1: 1/4" to 1-3/8" 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8")
#2: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")
#3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")
#4: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32", 1/2'')
#5: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'')
Material: High-speed steel
Package List:
5 x Step Drill Bit Set
1 x Automatic Center Punch
1 x User's Manual
1x Aluminum Case
3. Driak 3 Pics HSS Titanium Coated Step Drill Bit Spiral Metric Sizes,Industrial DIY Woodworking Punching Tools
Feature
3PCS HSS Titanium Speed Steel Spiral Step Cone Drill Bit Set Hole CutterDouble cutting blade design makes for cutting faster,automatic deburring from hole when drilling.
Spiral flute design,clears chips faster and allows particles to escape easily
3Pcs spiral step drill bits, 4-12/4-20/4-32mm ,main material high speed steel, titanium coated high quality step drill bits.
According to the need to process different diameter holes, you can achieve one-time processing of large holes, no need to replace the drill bit and positioning hole.
Description
Color: Golden (as picture shown)Material: High speed steel 4241
#1: 4-12mm 9 Steps (4mm, 5mm,6mm,7mm,8mm, 9mm,10mm,11mm,12mm)
#2: 4- 20mm 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm,18mm,20mm)
#3: 4mm -32mm 15Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm,26mm,28mm,30mm,32mm)
Package Includes:3 X Step Drill bits
No center charge is required, which is not easy to break compared with ordinary twist drill.Site construction, one of the drill pipe drill various specifications applicable.
It is possible to deburr, chamfer, open hole expansion, and twist drill.
Compared with ordinary twist drill.Shake small, do not need to lead use center chong also can open beautiful aperture to come out.
This compact set replaces 31 individual drill bits.
Titanium nitride coating for cooler running.
The two flute design tips made the penetration faster without chipping.
Application:
suitable for below 25 hardness of the work piece, such as carbon steel, sheet iron, insulation boards, PVC boards, planks, and wood thickness below 5MM.
USAGE SUGGESTION:
To avoid step drill bits become overheated and get burned up due to fast rotary friction,
we suggest customers to use cutting fluid to keep the bits cold during usage.
4. Migiwata Metric Titanium Coated HSS Spiral Groove Step Drill Bit Set of 3pcs 4-12/4-20/4-32mm with 1/4" Hex Shank Packed in Reusable Case for Cutting Holes in Iron Plate Aluminum Plate, etc.
Feature
Conical bit with a stairstep profile to be used for drilling 19 hole sizes ranging from 4-32mm, to replace 19 individual drill bits. Self-starting, no need of center punch.Made of high quality HSS (high-speed steel) 4241 and coated with Titanium for prolonged life.
Commonly used on sheet metal and in general construction. One drill bit can drill the entire range of holes necessary on a countertop, speeding up installation of fixtures.
Ideal for use in electrical work where thin steel, aluminum or plastic boxes and chassis are encountered. The short length of the unibit and ability to vary the diameter of the finished hole is an advantage in chassis or front panel work. The finished hole can often be made quite smooth and burr-free, especially in plastic.
Automatically deburrs holes left by other bits, as the sharp increase to the next step size allows the cutting edge to scrape burrs off the entry surface of the workpiece. Save you time and effort.
Description
Step drill bit, also known as ladder drill bit or unibit, is a roughly conical bit with a stairstep profile.Due to its design, a single bit can be used for drilling a wide range of hole sizes.
The larger-size bits have blunt tips and are used for hole enlarging.
The bits come to a point and are thus self-starting. No need to use center punch.
They are more durable and not easily broken compared with the ordinary twist drill bits.
These high-speed step drill bits feature a titanium coating so they run cool and are made out of high speed steel for a long service life.
The drill bits automatically deburr holes as you drill and the two-flute design provides faster, smoother cutting.
Whether drilling in plastic, metal or wood, these drill bits cut great every time.
Key Features:
1. Cool-running titanium coating lasts longer than uncoated bits
2. High speed steel for longer life
3. Automatically deburrs holes while drilling
4. Two-flute design gives you faster, smoother cutting
5. Quick-change 1/4 in. hex shank
Specification
1. Material: High Speed Steel 4241 (Used for the hardness of the material which is below 25, like iron board, steel board, PVC board, Insulation board, etc.)
2. Surface: Titanium Plated
3. Groove Type: Spiral Groove
4. Shank: 1/4" Hexagon Shank
5. For Drilling in: thin iron plate, aluminum, insulation panels, PVC panels 4mm thickness within the timber
What you'll get:
One piece of 15-step drill bit for 15 different holes: 4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 22 / 24 / 26 / 28 / 30 / 32 mm
One piece of 9-step drill bit for 9 different holes: 4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 mm
One piece of 9-step drill bit for 9 different holes: 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 mm
Warranty : Within 90 days product quality is not completely satisfied, please CONTACT US, 100% refund.
5. RUIMI Titanium Step Drill Bit Spiral Metric Sizes 3Pcs (Step Bits 3/16'' - 3/4")
Feature
TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capabilitySPLIT POINT TIP | increases cutting speed with self-centering and prevents walking
Spiral Flute DESIGN | clears chips faster and allows particles to escape easily
Hex SHANK | fits into power tools chuck securely and eliminates slip
INCLUDES 10 STEP SIZES | 1# 4-32mm 2# 4-20mm 3# 4-12mm
Description
RUIMI Titanium Step Drill Bit, High Speed Steel HSS Quick Change 1/4" Shank Total 31 Sizes 3-Piece Set Tool for Carbon Steel, Sheet Iron, Insulation Boards, PVC Boards, Planks, and WoodFeatures:
=== Drill 19 hole sizes.
=== This compact set replaces 31 individual drill bits.
=== Titanium nitride coating for cooler running.
=== Quick-change 1/4" hex shank.
=== High Speed Steel for long service life.
=== They also help to enlarge existing holes.
=== The two flute design tips made the penetration faster without chipping.
=== Application: suitable for below 25 hardness of the work piece, such as carbon steel, sheet iron, insulation boards, PVC boards, planks, and wood thickness below 5MM.
Specifications:
Material: High speed steel
Sizes of the 3 Step Drill Bits:
15 Step bits from 4-32mm
4 6 8 10 12 14 16 18 20 22 24 26 28 30 32mm
9 Step bits from 4-20mm
4 6 8 10 12 14 16 18 20mm
10 Step bits from 4-12mm
4 5 6 7 8 9 10 11 12mm
Package included:
3 x Drill Bit
RUIMI Warranty Description:
If this item was damaged within 30 days,Please send E-mail to us (add items damaged photo)
Plan A :
We will return all money to you
Plan B:
we will resend new one for you,meanwhile we pay the return shipping fee
6. Driak HSS4241 Spiral Groove 6-60mm Metric Step Drill Bit Set for Wood Stainless Steel Cutting
Feature
Metric 6-60mm Step Drill Bit HSS Industrial Reamer Increment 12 Steps Tool KitShank Diameter: 13mm
size:6-60mm(12 steps:6,10,15,20,25,30,35,40,45,50,55,60mm)
Tool using: pistol drill, bench drill. Water to make ti cool while working, it can effectively extend the service life. Recommended drilling speed 250--400 rpm
Suit for use in hardness under 25 artifacts(Such as iron, steel, PVC panels, wood board ,Do not fit for cutting Stainless steel ) , The plate thickness under 5mm
Description
Features:
100% brand new and high quality
Unique ladder structure , it can open multiple Aperture
it can not easily be broken.
It can deburr, chamfer and open hole, but ordinary twist drill can't
Little rock, it can carve out a nice aperture without firstly using a center punch
Suit for use in hardness under 25 artifacts(Such as iron, steel, PVC panels, wood board ,Do not fit for cutting Stainless steel ) , The plate thickness under 5mm
Package Included:
1pcs HSS 4241 Spiral groove step drill
7. Tonsiki 5Pcs 50 Size Large Cobalt HSS Step Titanium Cone Drill Hole Cutter Bit Set Tool for Plastic, Aluminum, Copper and Stainless Steel
Feature
Size:3/16" to 1/2"(3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2''),1/8" to 1/2"(1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32" , 1/2''),1/4" to 3/4''(1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"),1/4" to 1-3/8''(1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"),3/16" to 7/8"(1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")Classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic, aluminum, copper, stainless steel and many other types of sheet metal
Cobalt coated to reduce friction and run cooler,increases cutting speed with self-centering and prevents walking, clears chips faster and allows particles to escape easily.
Large bit has 3-sided shank and small bits have hex shank to prevent slip in drill chuck
Set includes a sturdy aluminum organizing case for secure storage and easy carrying
Description
Sizes:#1: 3/16" to 1/2" 6 Steps (3/16'', 1/4'', 5/16", 3/8'', 7/16'', 1/2'')
#2: 1/8" to 1/2" 13 Steps (1/8", 5/32", 3/16'', 7/32", 1/4'', 9/32", 5/16", 11/32", 3/8'', 13/32", 7/16'', 15/32" , 1/2'')
#3: 1/4" to 3/4'' 9 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4")
#4: 1/4" to 1-3/8"' 10 Steps (1/4'', 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8")
#5: 3/16" to 7/8" 12 Steps (1/4'', 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8")
Caution: When you use this drill bits, the material temperature will get very high, please add some water or coolant to avoid the material get smoke when using it.
Package including:
1 x 1/4-1-3/8 Step Drill
1 x 3/16-7/8 Step Drill
1 x 1/4-3/4 Step Drill
1 x 1/8-1/2 Step Drill
1 x 3/16-1/2 Step Drill
1 x Aluminum Box
8. HSS6542 Spiral Step Cone Drill Bit KangTeer 3pcs M2 Steel Spiral Groove Unibit Step Drill Set Metric Cutting Metal WoodWorking Hole Drill
Feature
Step drill Shank diameter: 10mm(0.39'') for 4-32; 8mm(0.31'') for 4-20; 6mm(1/4'') for 4-12Hole Cutter step included: 4-12/20/32mm
Feature and Material: HSS6542 Metric Spiral Flute Step Drill Bits,
You can use water to cooling it when it is work and it can be used for even longer
Suit for use in hardness under 28 artifacts,(such as stainless steel , steel, wood)The plate thickness under 5 mm
Description
You can use one drill for diferent apertureNo need of center punch.Compared with the ordinary twist drill,it is not easy to break and it can be used for deburring, chamfering and open hole
Recommend the drilling speed of 250--400 rpm
Spiral Flute design, better for faster drilling, prevent slippage when in chuck
Specifications:
Material:HSS6542
Shank Type:Triangle shank
Type:Spiral groove
Size:
003: 4mm to 12mm 9 Steps ( 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm ) shank diameter 6mm
002:4mm to 20mm 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm,18mm,20mm) shank diameter 8mm
001:4mm to 32mm 15Steps (4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm)
M35 / HSS-CO suitable for drilling thin metal (stainless steel, steel, sheet metal, carbon steel, aluminum, iron, limited thickness below 5mm!)
Hss4241 Suitable for use in the hardness of 25 below the workpiece, such as iron, aluminum, PV board, insulation board
Hss 6542 / M2 (suitable for use in the hardness of 28 below the workpiece, such as steel, sheet metal, copper, the thickness of 5MM in the following metal)
Package Included:
3 pcs HSS6542 Spiral groove Step Drill
9. Qibaok Step Drill Bit Set with Automatic Center Punch, 3 PCS HSS Titanium Hex Shank Step Cone Drill Bits for Plastic, Wood, Aluminum, Metal Sheet, Metric 4-12/4-20/4-32mm
Feature
🔧Material HSS 4241 & classic high speed steel with titanium coating for strength and longevity.😀Package 3-Piece HSS Groove Step Drill Bit (4-12/ 4-20/ 4-32mm ) + 1 Automatic Center Punch.
🔧Easy Drilling Two-fluted design provides faster, smoother cutting, provided with small pressure and the sets. Stepped grooves prevent slippage in the chuck.
😀Wide Usages Perfect Step Drill Bits for home DIY and general building supervision / engineering use. Ideal used to drill holes in various material like iron plate, aluminum plate, wood, PVC sheet, insulation boards, etc.
🔧Guarantee & Friendly Customer Service Refund/ Replacement for ANY reasons. Any problems, please feel free to contact us Qibaok, we will try our best to help you at the first time. Happy shopping~
Description
Qibaok Step Drill Bit Set:Sizes:
4-12mm: 9 Steps (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm,12mm)
4-20mm: 9 Steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm,16mm,18mm,20mm)
4-32mm:15Steps(4mm,6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,24mm,26mm,28mm,30mm,32mm)
Automatic Center Punch:
7.4 x 2.6 x 0.7 inches
Features
100% brand new and high quality.
High speed steel for longer service life.
Automatically Deburrs Holes as you Drill.
Double cutting blades design enables a faster and smoother cutting.
The sharpness and titanium coating ensure easily cut through most sheet metal,plastic and some other materials with ease.
Notice
1.When use the drills, please always wear protective goggles, mask and gloves.
2. Don't touch it with your hand as the drill will produce heat when using, there will be the danger of burning.
3.Please pay attention that the product need to be cooled by water injection when you use the product drill metal plate.The step drill is easy to become soft because of high temperature. If you don't cool the drill, it will be scrapped quickly.
4.Our drills are HSS High-speed steel 4241, you'd better not use it to drill the material that is same as our product or drill the material that the hardness is higher than our product.
10. 4 Pcs Metric Titanium Coated HSS Spiral Groove Step Drill Bit Set, 3-12/4-12/4-20/4-32mm with Hex Shank Packed in Reusable Al Case for Cutting Holes in Iron Plate Aluminum Plate, etc.
Feature
Conical bit with a stairstep profile to be used for drilling 20 hole sizes ranging from 3-32mm, to replace 20 individual drill bits. Self-starting, no need of center punch.Made of high quality HSS (high-speed steel) 4241 and coated with Titanium for prolonged life.
Commonly used on sheet metal and in general construction. One drill bit can drill the entire range of holes necessary on a countertop, speeding up installation of fixtures.
Ideal for use in electrical work where thin steel, aluminum or plastic boxes and chassis are encountered. The short length of the unibit and ability to vary the diameter of the finished hole is an advantage in chassis or front panel work. The finished hole can often be made quite smooth and burr-free, especially in plastic.
Automatically deburrs holes left by other bits, as the sharp increase to the next step size allows the cutting edge to scrape burrs off the entry surface of the workpiece. Save you time and effort.
Description
Key Features:1. Cool-running titanium coating lasts longer than uncoated bits
2. High speed steel for longer life
3. Automatically deburrs holes while drilling
4. Two-flute design gives you faster, smoother cutting
5. Quick-change 1/4 in. hex shank
Specification
1. Material: High Speed Steel 4241 (Used for the hardness of the material which is below 25, like iron board, steel board, PVC board, Insulation board, etc.)
2. Surface: Titanium Plated
3. Groove Type: Spiral Groove
4. Shank: 1/4" Hexagon Shank
5. For Drilling in: thin iron plate, aluminum, insulation panels, PVC panels 4mm thickness within the timber
What you'll get:
One piece of 15-step drill bit for 15 different holes: 4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 / 22 / 24 / 26 / 28 / 30 / 32 mm
One piece of 9-step drill bit for 9 different holes: 4 / 6 / 8 / 10 / 12 / 14 / 16 / 18 / 20 mm
One piece of 9-step drill bit for 9 different holes: 4 / 5 / 6 / 7 / 8 / 9 / 10 / 11 / 12 mm
One piece of 9-step drill bit for 9 different holes: 3/ 4 / 5 / 6 / 7 / 8 / 9 / 10 / 12 mm
