OSG A BRAND Screw Machine Drill Bit: 7/32", WXL-Coated Carbide
The OSG A BRAND Screw Machine Drill Bit (7/32") is a coolant-through solid carbide screw-machine length drill bit for stainless steel and super alloys. It features a WXL-coated carbide construction with a 140°…
SKU 3G-OTH-209940
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Product Description
The OSG A BRAND Screw Machine Drill Bit (7/32") is a coolant-through solid carbide screw-machine length drill bit for stainless steel and super alloys. It features a WXL-coated carbide construction with a 140° R-Thinning Point and a 0.2188 specification (MPN 520021812).
Frequently Asked Questions
What is the OSG A Brand screw machine drill bit used for?
This OSG A Brand drill bit is designed for drilling stainless steel and super alloys in CNC screw-machine applications. Its WXL-coated carbide construction and 140° R-thinning point provide heat resistance and chip evacuation, making it suitable for high-precision, high-speed production environments.
What are the specifications of the OSG 520021812 drill bit?
The OSG 520021812 is a coolant-through solid carbide screw-machine length drill bit with a 7/32" (0.2188 inch) diameter. It features a WXL coating and a 140° R-thinning point, optimized for stainless steel and super alloys. The manufacturer part number is 520021812.
Where to buy the OSG 520021812 drill bit worldwide?
You can source the OSG 520021812 drill bit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other OSG tooling.
How to select the correct OSG screw machine drill bit for stainless steel?
Select an OSG drill bit with a WXL coating and 140° point angle for stainless steel. The 7/32" diameter and coolant-through design in this model aid chip evacuation and heat management. Always match the drill length to your machine's clearance and ensure proper coolant flow for optimal tool life.
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3G Electric supplies OSG coolant-through solid carbide screw-machine length drill bits for stainless steel & super alloys. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















