WALTER Screw Machine Drill Bit: 4.5 mm, 130° Point, Cobalt, Parabolic Flute
The WALTER Screw Machine Drill Bit (MPN A1148-4.5) is a 4.5 mm chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral design. It features a 0.1772 specification and is…
SKU 3G-OTH-307227
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Product Description
The WALTER Screw Machine Drill Bit (MPN A1148-4.5) is a 4.5 mm chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral design. It features a 0.1772 specification and is manufactured by WALTER.
Frequently Asked Questions
What is the WALTER Screw Machine Drill Bit used for?
The WALTER Screw Machine Drill Bit (MPN A1148-4.5) is used for drilling precise holes in metal, especially in automated screw machines and CNC lathes. Its 4.5 mm diameter, 130° point, and parabolic flute design efficiently clear chips in deep-hole applications, making it ideal for high-production manufacturing environments.
What are the specifications of the WALTER A1148-4.5 drill bit?
The WALTER A1148-4.5 is a 4.5 mm screw-machine length drill bit with a 130° point, cobalt construction, parabolic flute, and fast spiral. It is designed for chip clearing in metalworking. The manufacturer part number is A1148-4.5, and it is made by WALTER.
Where to buy WALTER drill bits worldwide?
You can source WALTER drill bits, including the A1148-4.5, 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 WALTER tooling.
How to select the right WALTER screw machine drill bit?
Select a WALTER screw machine drill bit based on hole diameter, material, and depth. For hard metals, choose cobalt bits like the A1148-4.5 with a 130° point and parabolic flute for efficient chip evacuation. Match the shank type to your machine's chuck and ensure the flute length suits the drilling depth.
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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.















