HSS Titanium Coating: Titanium coating can prevent bit corrosion and rust and reduce friction, making it easy to drill multiple holes on plastic, aluminum, copper, stainless steel and other types of sheet metal surfaces.
Automatic center punch-center punch can help you mark the center point to be drilled, high impact force, spring-loaded penetration adjustment cap; it has a deep knurled surface for anti-skid control and extend the use of the drill life.
.Description:
Product Name: Step Drill Bit
Size:
3/16-1/2'' [3/16, 1/4, 5/16, 3/8, 7/16, 1/2]
1/8-1/2'' [1/8,5/32.7/32.1/4,9/32,5/16,11/32,3/8,13/32,7/16,15/32, 1/2mm]
1/4-3/4'' [1/4,5/16,3/8,7/16,1/2,9/16,5/8,11/16,3/4]
3/16-7/8'' [3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8]
1/4-1-3/8'' [1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8, 1-1/4, 1-3/8]
Introduction:
Value 6-piece set: Set includes: 5 x step drill bits; 1 x automatic center punch; 1 x aluminum housing. The ideal gift for Father's Day, very suitable for DIY lovers.
5 step drill bits in 50 sizes: The drill bit set includes five standard step drill bits, which can replace 50 individual drill bits. Each step drill bit can drill multiple holes, compatible with 1/4, 3/8 and 1/2 inch Chuck size. You don't have to replace the drill bit with a step drill bit frequently.
Wide range of applications: Step drills can be used for chamfering, turning and drilling or enlarging holes. Step drill bits can be used for aluminum alloy, plastic and wood. The protective aluminum housing prevents the drill bit from becoming dull.
Packing list:
6*Step Drill Bit
Note: The color deviation is subject to actual system configuration and slight dimension difference is allowed due to manual measurement.
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