#4 High Speed Steel Fractional Self Starting Unibit Drill Bit VGPUN4 Air Riveters Each socket extension is thoroughly

Each socket extension is thoroughly made with the correct balance of strength and durability and is tested to the highest specifications to deliver outstanding performance at the most competitive cost

shock-resistant tool steel

Specially designed for heavy duty applications

KnKut Performance Drill Bits are engineered with an exclusive combination of premium steel

#4 High Speed Steel Fractional Self Starting Unibit Drill Bit VGPUN4 Air Riveters Each socket extension is thoroughly#4 High Speed Steel Fractional Self Starting Unibit Drill Bit Features and Benefits: Single flute cutting edge for greater control through steps Hex shank prevents slipping in drill chuck New SpeedPoint tip penetrates faster than previous Unibits and prevents walking Ideal for drilling holes into thin materials such as stainless steel, copper, brass, aluminum, plastics and laminates Hole sizes: 3 16" 7 8"; number of holes: 12 steps