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Feature

Material:Tungsten steel, PCB Drill Bit
PCB drill bit set,Micro small bit,Spiral double flute,Tungsten steel,Carbide,Twist drill bit amber beeswax plastic,1/8 shank
Cutting Edge Diameter:2.1-3.0mm(2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0)mm;
Tungsten steel head,Less breaking,Carbide drill bit,High precision, Less deviation; for CNC qualified engraving and boring tools,Accessories,Amber beeswax print circuit rotary tools, Straight 1/8" shank
Please check the specification table to select the size you want. Mini twist drill bit can NOT be used in the impact drill

Description

Specification:
Material:Alloy
Shank Diameter: 3.175mm
Cutting Edge Diameter:0.25-1.15mm(0.25 0.35 0.45 0.55 0.65 0.75 0.85 0.95 1.05 1.115)--Cutting Edge Length:4.5-10.5mm(4.5 6.5 7.0 8.5 9.5 10 10 10 10.5 10.5)
Cutting Edge Diameter:0.3-1.2mm(0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2mm--Cutting Edge Length:5.5-10.5mm(5.5 7.0 8.5 9.5 10 10 10 10.5 10.5 10.5mm)
Cutting Edge Diameter:0.6-1.5mm(0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5mm)--Cutting Edge Length:9.5-12mm(9.5 10 10 10 10.5 10.5 10.5 12 12 12mm)
Cutting Edge Diameter:1.1-2.0mm(1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 2.0mm)--Cutting Edge Length:10.5-12mm(10.5 10.5 12 12 12 12 12 12 12 12mm)
Cutting Edge Diameter:1.5-2.4mm(1.5 1.6 1.7 1.8 1.9 2.0 2.1 2.2 2.3 2.4mm)--Cutting Edge Length:12mm
Cutting Edge Diameter:2.1-3.0mm(2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 3.0mm)--Cutting Edge Length:12mm
Overall Length: 38mm
Quantity: 1set (10pcs)

Features:
HUHAO Drill Uhas a large scraps discharge space,little resietance and smoothly during the scraps dischange.
Using high quaility materials and fine grinding process makes bit more sharp cutting edge,reduce cutting force and broken drill and improve the quality of hole wall.
The cutting edges strictly avoid partial hole,ensure the quality.

Application:
PCB, SMT, CNC, Mould, plastic fiber, carbon fiber,wood, printed circuit board, other precision parts processing.

Guaranty:
Within 90 days product quality is not completely satisfied, please CONTACT US, 100% refund.

Package include:
1set10pcs PCB Drill Bit Engraving