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WALTER Screw Machine Drill Bit: 8 mm, 130° Point, Cobalt, Parabolic Flute - Chip-Clearing Cobalt Screw-Machine Length Drill Bits
WALTERChip-Clearing Cobalt Screw-Machine Length Drill Bits

WALTER Screw Machine Drill Bit: 8 mm, 130° Point, Cobalt, Parabolic Flute

The WALTER Screw Machine Drill Bit (SKU 3G-OTH-307253, MPN A1148-8) is an 8 mm chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral design. It is manufactured by…

SKU 3G-OTH-307253

Also listed as: A11488 · A1148 8

Brand
WALTER
Item
Screw Machine Drill Bit: 8 mm, 130° Point, Cobalt, Parabolic Flute
Category
Chip-Clearing Cobalt Screw-Machine Length Drill Bits
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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

Technical Specifications

WALTER
Manufacturer Part Number
A1148-8
Type
Cobalt, Parabolic Flute, Fast Spiral
Point
130°

Technical Documents

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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Screw Machine Drill Bit (SKU 3G-OTH-307253, MPN A1148-8) is an 8 mm chip-clearing cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral design. It is manufactured by WALTER and has a diameter of 0.3150 inches.

Frequently Asked Questions

What is the WALTER A1148-8 screw machine drill bit used for?

The WALTER A1148-8 is a chip-clearing cobalt screw-machine length drill bit used for high-speed drilling in tough materials like stainless steel and hardened alloys. Its 130° point, parabolic flute, and fast spiral design improve chip evacuation and reduce heat buildup in automated or manual machining operations.

What are the specifications of the WALTER A1148-8 drill bit?

The WALTER A1148-8 is an 8 mm (0.3150 in) diameter cobalt screw-machine length drill bit with a 130° point, parabolic flute, and fast spiral. It is designed for chip clearing in demanding materials. The manufacturer part number is A1148-8, and it is made by WALTER.

Where to buy the WALTER A1148-8 drill bit worldwide?

3G Electric supplies the WALTER A1148-8 drill bit worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this WALTER cobalt screw-machine length drill bit.

How to select the right WALTER screw machine drill bit for my application?

Select a WALTER screw machine drill bit based on material hardness, hole depth, and machine type. For tough alloys, choose cobalt with a 130° point and parabolic flute for chip evacuation. Match diameter (e.g., 8 mm) and length to your workpiece. Consult WALTER's technical data for feed and speed recommendations.

Used in

Common applications for WALTER
Automotive engine block machining — WALTER WNMG542-MM5 WSM20S turning inserts for cylinder bore finishing
Aerospace aluminum component turning — WALTER CCMT060208-FK6 WKK10S diamond inserts for high-speed finishing
General engineering cutoff operations — WALTER GX24-3E400N04-UA4 WKP33S parting inserts for steel bars
Mold and die steel grooving — WALTER GX16-2E300R6-CF5 WSM33S inserts for deep groove roughing
CNC lathe shallow hole drilling — WALTER A1148-1/16IN cobalt screw-machine drill bits for oil-hole drilling
Heavy equipment shaft turning — WALTER SCMT120408-RM4 square inserts for roughing of alloy steels

WALTER 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.

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