3 pcs Drill Bit HSS Titanium Coated Straight Flute Step Drill Bits Essential Hardware Tool Hex Shank Pagoda3-12/4-12/4-20mm

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Place of Origin	Shanghai, China	Brand Name	NACHEE
Model Number	3-12mm 4-12mm 4-20mm	Type	Core Drill Bit
Use	Wood Drilling	Working Length (mm)	20m'm
Material	HSS4241	Size	1-20mm
Product name	Step Drill Bit	Color	Golden

Product Details

Product Description

Features

--Automatically Deburrs Holes As You Drill

--Two-Flute Design Gives You Faster And Smoother Cutting
--Titanium Nitride Coating For Cooler Running
--Quick-Change 1/4" Hex Shank
--High Speed Steel For Long Life
--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 Can Make The Penetration Faster Without Chipping
--3 pcs Titanium HSS Cone Step Drill Bit Set Imperial 1/4" Hex Shank
--3 pcs 1/4'' Large HSS Hex Shank Titanium Cone Coated Step Drill Bit Set with case
--3 pcs Large HSS Steel Step Cone Drill Titanium Bit Set Hole Cutter

Specification

Material: HSS
1/4" Hex Shank
Sizes: (approx.)
3-12mm : 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 mm( 0.12, 0.16, 0.20, 0.24, 0.28, 0.31, 0.35, 0.39, 0.43, 0.47 in)
4-12mm : 4, 6, 8, 10, 12 mm(0.16, 0.24, 0.31, 0.39, 0.47 in)
4-20mm : 4, 6, 8, 10, 12, 14, 16, 18, 20 mm(0.16, 0.24, 0.31, 0.39, 0.47, 0.55, 0.63, 0.71, 0.79 in)
4241 High-Speed Steel HSS (Suitable For Use In The Workpieces Whose Hardness Is 25 Degrees Such As Carbon Steel, Plate, Insulation Board, and Wood Board)