WALTER Screw Machine Drill Bit: #21, 130° Point, Cobalt, Parabolic Flute
The WALTER Screw Machine Drill Bit #21 (MPN A1148-NO21) is a chip-clearing cobalt screw-machine length drill bit. It features a 130° point, parabolic flute, and fast spiral design, with a diameter of 0.1590 inches.
SKU 3G-OTH-307173
Also listed as: A1148NO21 · A1148 NO21
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The WALTER Screw Machine Drill Bit #21 (MPN A1148-NO21) is a chip-clearing cobalt screw-machine length drill bit. It features a 130° point, parabolic flute, and fast spiral design, with a diameter of 0.1590 inches.
Frequently Asked Questions
What is the WALTER Screw Machine Drill Bit #21 used for?
The WALTER Screw Machine Drill Bit #21 (MPN A1148-NO21) is designed for chip-clearing in screw-machine and CNC applications. Its cobalt construction, parabolic flute, and fast spiral efficiently evacuate chips in deep-hole drilling of hard materials like stainless steel and alloy steels.
What are the specifications of the WALTER Screw Machine Drill Bit #21?
The WALTER A1148-NO21 drill bit has a #21 wire-gauge diameter of 0.1590 inches, a 130° point angle, and a screw-machine length. It is made of cobalt steel with a parabolic flute and fast spiral design for chip evacuation in demanding industrial drilling.
Where to buy WALTER Screw Machine Drill Bit #21 worldwide?
3G Electric supplies the WALTER A1148-NO21 drill bit 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 this cobalt screw-machine length bit.
How to select the correct WALTER screw-machine drill bit for my application?
Select based on material hardness and hole depth. The WALTER #21 cobalt bit with parabolic flute and fast spiral is ideal for deep holes in tough metals. Match the 0.1590-inch diameter to your required hole size and use screw-machine length for rigid setups.
Used in
Common applications for WALTERWALTER Products
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.
