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WALTER Micro Drill Bit: 0.87 mm, 118° 4-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.87 mm, 118° 4-Facet Point

The WALTER Micro Drill Bit (SKU 440R02, MPN A3143-0.87) is a 0.87 mm cobalt micro drill bit with a 118° 4-facet point and regular spiral flute design. This WALTER-branded tool is engineered for precision drilling in…

SKU 3G-OTH-195108

Brand
WALTER
Item
Micro Drill Bit: 0.87 mm, 118° 4-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.87
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (SKU 440R02, MPN A3143-0.87) is a 0.87 mm cobalt micro drill bit with a 118° 4-facet point and regular spiral flute design. This WALTER-branded tool is engineered for precision drilling in industrial applications requiring small-diameter holes.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the WALTER Micro Drill Bit used for?

The WALTER Micro Drill Bit (MPN A3143-0.87) is used for precision drilling of small-diameter holes in industrial applications. Its 0.87 mm size and 118° 4-facet point make it suitable for machining hard materials like stainless steel and tool steels, commonly in aerospace, automotive, and mold-making industries.

What are the specifications of the WALTER Micro Drill Bit?

The WALTER Micro Drill Bit (SKU 440R02, MPN A3143-0.87) has a diameter of 0.87 mm, a 118° 4-facet point, and a regular spiral flute design. It is made from cobalt steel for heat resistance and durability. The brand is WALTER, and the part number is A3143-0.87.

Where to buy WALTER Micro Drill Bits worldwide?

You can source the WALTER Micro Drill Bit (MPN A3143-0.87) 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 times on this precision cobalt micro drill bit.

How to select the right WALTER Micro Drill Bit for my application?

To select the correct WALTER Micro Drill Bit, match the diameter (0.87 mm) and point geometry (118° 4-facet) to your material and hole requirements. Cobalt construction suits harder metals. For regular spiral flutes, use in general-purpose drilling. 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 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: 0.86 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.86). Key specifications — attr1235721: WALTER; attr1235722: 0.0339; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.88 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.88). Key specifications — attr1235721: WALTER; attr1235722: 0.0347; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.91 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.91). Key specifications — attr1235721: WALTER; attr1235722: 0.0358; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.91 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.91). Key specifications — attr1235721: WALTER; attr1235722: 0.0358; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.97 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.97). Key specifications — attr1235721: WALTER; attr1235722: 0.0382; attr1264838: Regular Spiral.
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