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WALTER Micro Drill Bit: 0.75 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.75 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (MPN A3143-0.75) is a 0.75 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. It is manufactured by WALTER and has a diameter of 0.0295 inches.

SKU 3G-OTH-195098

Brand
WALTER
Item
Micro Drill Bit: 0.75 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.75
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (MPN A3143-0.75) is a 0.75 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. It is manufactured by WALTER and has a diameter of 0.0295 inches.

Frequently Asked Questions

What is the WALTER Micro Drill Bit A3143-0.75 used for?

The WALTER Micro Drill Bit A3143-0.75 is used for precision drilling in metal, especially hardened steels and stainless alloys. Its 0.75 mm diameter and 118° 2-facet point enable accurate hole starting, while the cobalt material provides heat resistance for extended tool life in industrial machining applications.

What are the specifications of the WALTER Micro Drill Bit A3143-0.75?

The WALTER Micro Drill Bit A3143-0.75 has a 0.75 mm (0.0295 in) diameter, a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt, offering high hardness and heat resistance. The manufacturer part number is A3143-0.75, and it is produced by WALTER.

Where to buy WALTER Micro Drill Bit A3143-0.75 worldwide?

You can source the WALTER Micro Drill Bit A3143-0.75 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; we supply genuine WALTER tooling for precision machining operations.

How to select the correct WALTER micro drill bit for my application?

Select the WALTER micro drill bit based on material hardness and hole depth. For steels, the cobalt A3143-0.75 with a 118° point works well. Match diameter to your required hole size and ensure your spindle speed and feed rate align with WALTER's recommendations for micro drilling to prevent breakage.

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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WALTER Micro Drill Bit: 0.69 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.69). Key specifications — attr1235721: WALTER; attr1235722: 0.0272; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.78 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.78). Key specifications — attr1235721: WALTER; attr1235722: 0.0307; attr1264838: Regular Spiral.

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