OSG Screw Machine Drill Bit: #21, 130° R-Thinning Point
SKU 3G-OTH-409611
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Frequently Asked Questions
What is the OSG #21 screw machine drill bit used for?
The OSG #21 screw machine drill bit is designed for high-speed drilling in production environments. Its 130° split-point with R-thinning geometry reduces thrust and improves chip evacuation, making it ideal for general-purpose drilling in steel, stainless steel, and cast iron on CNC lathes and screw machines.
What are the specifications of the OSG 10159005 drill bit?
The OSG 10159005 is a #21 screw machine length drill bit with a 0.1590-inch diameter. It features a 130° R-thinning split point, TiN-coated cobalt construction for heat resistance and wear life. The manufacturer part number is 10159005, and it is designed for general-purpose drilling in ferrous materials.
Where to buy OSG drill bits worldwide?
3G Electric supplies OSG screw machine drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the OSG 10159005 #21 drill bit. We source and deliver to any country.
How to select the correct OSG screw machine drill bit size?
Select the OSG screw machine drill bit by matching the wire gauge number or decimal diameter to your hole size requirement. The #21 bit equals 0.1590 inches. For CNC applications, ensure the 130° split-point geometry matches your material hardness. OSG's TiN-coated cobalt bits suit general-purpose drilling in alloy steels.
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3G Electric supplies OSG general purpose cobalt screw-machine length drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
