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WALTER Micro Drill Bit: 0.84 mm, 118° 4-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.84 mm, 118° 4-Facet Point

The WALTER Micro Drill Bit (SKU 440P98, MPN A3143-0.84) is a 0.84 mm cobalt micro drill bit with a 118° 4-facet point and regular spiral flute design. It is manufactured by WALTER and features a 0.0331 specification.

SKU 3G-OTH-195094

Brand
WALTER
Item
Micro Drill Bit: 0.84 mm, 118° 4-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.84
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (SKU 440P98, MPN A3143-0.84) is a 0.84 mm cobalt micro drill bit with a 118° 4-facet point and regular spiral flute design. It is manufactured by WALTER and features a 0.0331 specification.

Frequently Asked Questions

What is the WALTER Micro Drill Bit 0.84 mm used for?

The WALTER Micro Drill Bit 0.84 mm is used for precision drilling in hard materials such as stainless steel and tool steels. Its 118° 4-facet point and cobalt construction provide heat resistance and clean entry, making it suitable for high-accuracy applications in mold making, aerospace, and medical device manufacturing.

What are the specifications of the WALTER Micro Drill Bit A3143-0.84?

The WALTER Micro Drill Bit (MPN A3143-0.84) has a diameter of 0.84 mm, a 118° 4-facet point, and a regular spiral flute design. It is made from cobalt, with a specification of 0.0331. The brand is WALTER, and the SKU is 440P98.

Where to buy WALTER Micro Drill Bits worldwide?

You can source the WALTER Micro Drill Bit A3143-0.84 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 drilling applications.

How to select the right WALTER micro drill bit for hard materials?

For hard materials like stainless steel, select a cobalt micro drill bit with a 118° 4-facet point, such as the WALTER A3143-0.84. The 4-facet point reduces walking and improves chip evacuation. Ensure the drill speed and feed rate match the material hardness; consult the WALTER technical data for optimal parameters.

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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