4pcs HSS Titanium Coated Step Drill Bits 1/4 Inch Hex Shank 3/8 Inch Round Shank




Price:
US$12.49

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Description
4pcs HSS Titanium Coated Step Drill Bits 1/4 Inch Hex Shank 3/8 Inch Round Shank

Features
1.Unique ladder structure, 1/4” Hex shank. Straight grooves.
2.Automatically Deburrs Holes as you Drill. Two-flute Design Gives You Faster, Smoother Cutting.
3.Titanium Nitride Coating for Cooler Running, can effectively extend the service life of the drill bit.
4.Suitable for carbon steel plate, sheet iron, insulation boards, wood. Cannot be used for stainless steel.
5.A great helper for Carpenter.
 
Specifications
Material:HSS 4241    
Shank :1/4" Hexagonal shank& 3/8" Round Shank
Surface treatment: titanium
Tools: pistol drill, bench drill.
Quantity: 4pcs
 
Size
3/16-1/2''
6 steps: 3/16 '', 1/4 '', 5/16 '', 3/8 '', 7/16 '', 1/2 '' (1/4" Shank)
 
1/4-3/4''
9 steps: 1/4 '', 5/16 '', 3/8 '' , 7/16 '', 1/2 '', 9/16 '', 5/8 '' , 11/16 '', 3/4 '' (1/4" Shank)
 
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 " (3/8" Shank)
 
1/8-1/2'' 
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 '' (1/4" Shank)
 
Package Included:
1x Set(4pcs) Step Drill

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