STEP DRILL SET High Speed Steelดอกสว่านเจาะขยาย ดอกเจดีย์เจาะขยายรู4-32 มม
Features:
100% brand new and high quality
Drill 28 Hole Sizes
This compact Set Replaces 28 Individual Drill Bits
Automatically Deburrs Holes as you Drill
Two-flute Design Gives You Faster Smoother Cutting
Titanium Nitride Coating for Cooler Running
Quick-change 1/4 Hex Shank
High Speed Steel for Long Life
Specification:
This auction is for Three (3) pieces of New Titanium Coated Step Drill Bit that covers 28 sizes
These Step Drill Bits are ideal for variety of materials from metal plastic fiberglass to wood
They also help to enlarge existing holes
The two flute design tips made the penetration faster without chipping
Sizes of the 3 Step Drill Bits:
6 Step Bit from 3/16 to 1/2
9 Step Bit from 1/4 to 3/4
13 Step Bit from 1/8 to 1/2