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Feature

118SPLIT POINT TIP & 28 SIZE IN 3 - Increases cutting speed with self-centering and prevents walking; The bit set includes three standard step drill bits that can replace 28 individual drill bits, you can process 28 different kinds of diameter holes with the three pieces
HSS & TITANIUM COATING - High speed steel make it last longer than others, titanium coating ensure easily cut through steel sheetsaluminum sheetscopper & plastic & wood board and many other types of sheet metal with ease, and it can automatically deburr holes while drilling to keep the drill bit clean
AUTOMATIC CENTER PUNCH - The center punch delivers an automatic, high-impact, spring-loaded strike through adjusting the cap; its brass body has a deeply knurled surface for nonslip control
DOUBLE CUTTING BLADES & THREE-SIDED SHANK - Double cutting blades and X-type openings design ensures a faster and smoother cutting; and 3-sided shank design prevents slip in drill chuck; Provided with small pressure and the sets can cut through the wood, sheet metal, steel and other surfaces
WHAT YOU GET - 3Tacklife PSD1 Step Drill, 1Automatic center punch, 1Kraft Paper Package, 1user manual, 124 months warranty

Description

Product Description: Tacklife - Professional team on Amazon, which deals only with development of the tools.
We commit ourselves to using qualitative tools to improve the quality of life.

Features:
STEP DRILL
Clear scale
118Split point tip: Sharp
HSS & Titanium Coating: Longer life
X-type openings: Clear out cutting waste
Double cutting blades:Cutting faster
Adapted Machines: Electric drill, Impact drill, Bench drill etc
Suitable for cutting steel sheets,aluminum sheets,copper & plastic & wood board
Automatic Center Punch
Adjustable cap regulates striking force
Non-slip handle


Specification:
#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")

Package Content:
3 Tacklife Step Drill Bit Set
1 Tacklife Automatic Center Punch
1 Tacklife User's Manual
1 Kraft Paper Package

Note:
1. The use of cutting fluid can last long life.
2. The board must be smaller in thickness than the height of step drill bits.