Feature
●Single-flute cutting edge for greater control
●Hex shank helps prevent slipping in the drill chuck
●IRWIN Unibit step drill bits are ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates
●Drills 1/2" holes
●Single-flute cutting edge for greater control
●Hex shank helps prevent slipping in the drill chuck
●IRWIN Unibit step drill bits are ideal for drilling holes into thin materials, such as stainless-steel, copper, brass, aluminum, plastic and laminates
●Drills 1/2" holes
[#1 (1 & 8-1 & 2 ) Cobalt]
[#10 (1 & 2 ) High Speed Steel]
[#1M (4-12MM) High Speed Steel]
[#3 (1 & 4-3 & 4 ) High Speed Steel]
[#3M (6-18MM) High Speed Steel]
[#4 (3 & 16-7 & 8 ) Titanium Nitride (TiN)]
[#3 (1 & 4-3 & 4 ) Cobalt]
[#12 (3 & 8 ) High Speed Steel]
[#4 (3 & 16-7 & 8 ) Cobalt]
[#4 (3 & 16-7 & 8 ) High Speed Steel]
[#5 (1 & 4-1-3 & 8 ) High Speed Steel]
[#2 (3 & 16-1 & 2 ) Cobalt]
[#20 (9 & 16-1 ) Cobalt]
[#20 (9 & 16-1 ) High Speed Steel]
[#9 (7 & 8 + 1-1 & 8 ) Cobalt]
[#1 (1 & 8-1 & 2 ) Titanium Nitride (TiN)]
[#1M (4-12MM) Titanium Nitride (TiN)]
[#13 (1-1 & 8 ) High Speed Steel]
[#2 (3 & 16-1 & 2 ) High Speed Steel]
Description
Product Description
This IRWIN Unibit #10 High-Speed Steel Fractional Self-Starting Step Drill Bit features a single-flute cutting edge for greater control through each of its 2 steps. The hex shank helps prevent slipping in a drill chuck. Use this reliable drill bit to drill holes into thin materials like stainless-steel, copper and more.
From the Manufacturer
UNIBIT 10 1/2" - Single Hole Size