WALTER Screw Machine Drill Bit: 12 mm, 130° Point, Cobalt, Parabolic Flute
The WALTER Screw Machine Drill Bit (SKU 441G21, MPN A1148-12) is a 12 mm chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral. It is manufactured by WALTER and has a…
SKU 3G-OTH-307314
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Product Description
The WALTER Screw Machine Drill Bit (SKU 441G21, MPN A1148-12) is a 12 mm chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral. It is manufactured by WALTER and has a diameter of 0.4724 inches.
Frequently Asked Questions
What is the WALTER Screw Machine Drill Bit used for?
The WALTER Screw Machine Drill Bit (MPN A1148-12) is used for drilling precise holes in metal, especially in automated screw machines and CNC lathes. Its cobalt construction and parabolic flute design provide efficient chip clearing in deep-hole applications, making it suitable for high-production manufacturing environments.
What are the specifications of the WALTER Screw Machine Drill Bit?
The WALTER Screw Machine Drill Bit (SKU 441G21) has a 12 mm diameter (0.4724 inches), a 130° point angle, and a parabolic flute with fast spiral. It is made from cobalt for heat resistance and is designed for chip-clearing in screw-machine applications. The manufacturer part number is A1148-12.
Where to buy the WALTER Screw Machine Drill Bit worldwide?
You can source the WALTER Screw Machine Drill Bit (MPN A1148-12) 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 WALTER tool.
How to select the right WALTER screw machine drill bit?
Select the WALTER Screw Machine Drill Bit based on hole diameter (12 mm), material (cobalt for hard metals), and flute design (parabolic for chip evacuation). Ensure the 130° point angle matches your workpiece hardness. For automated machines, verify shank compatibility with your tool holder.
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3G Electric supplies WALTER chip-clearing 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.















