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WALTER Micro Drill Bit: 0.74 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.74 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (MPN A3143-0.74) is a 0.74 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. This precision tool is manufactured by WALTER and features a 0.0291 inch…

SKU 3G-OTH-195136

Brand
WALTER
Item
Micro Drill Bit: 0.74 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.74
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (MPN A3143-0.74) is a 0.74 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. This precision tool is manufactured by WALTER and features a 0.0291 inch diameter specification.

Frequently Asked Questions

What is the WALTER Micro Drill Bit A3143-0.74 used for?

The WALTER Micro Drill Bit A3143-0.74 is used for precision drilling in metalworking and toolmaking applications. Its 0.74 mm diameter and 118° 2-facet point make it suitable for creating small, accurate holes in hardened materials, especially where cobalt's heat resistance is required.

What are the specifications of the WALTER Micro Drill Bit A3143-0.74?

The WALTER Micro Drill Bit A3143-0.74 has a 0.74 mm diameter (0.0291 in), a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt for enhanced durability and heat resistance, and is manufactured by WALTER under MPN A3143-0.74.

Where to buy the WALTER Micro Drill Bit A3143-0.74 worldwide?

3G Electric supplies the WALTER Micro Drill Bit A3143-0.74 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this precision cobalt micro drill bit.

How to select the right micro drill bit for hardened steel?

For hardened steel, choose a cobalt micro drill bit like the WALTER A3143-0.74, which offers heat resistance and wear durability. Ensure the point angle (118°) matches the material hardness, and use a regular spiral flute for chip evacuation. Always match diameter to hole tolerance requirements.

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 cobalt micro 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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