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WALTER Micro Drill Bit: 0.22 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.22 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (MPN A3143-0.22) is a 0.22 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. It is manufactured by WALTER and is intended for precision drilling…

SKU 3G-OTH-195099

Brand
WALTER
Item
Micro Drill Bit: 0.22 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.22
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (MPN A3143-0.22) is a 0.22 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. It is manufactured by WALTER and is intended for precision drilling applications requiring a small diameter tool.

Frequently Asked Questions

What is the WALTER Micro Drill Bit 0.22 mm used for?

The WALTER Micro Drill Bit (MPN A3143-0.22) is used for precision drilling in applications requiring a very small diameter hole, such as PCB manufacturing, micro-machining, and fine metalworking. Its 0.22 mm size and 118° 2-facet point enable accurate starts and clean cuts in demanding materials.

What are the specifications of the WALTER Micro Drill Bit A3143-0.22?

The WALTER Micro Drill Bit A3143-0.22 has a diameter of 0.22 mm (0.0087 in), a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt steel for enhanced heat resistance and durability. The manufacturer part number is A3143-0.22, and it is produced by WALTER.

Where to buy WALTER Micro Drill Bit 0.22 mm worldwide?

You can source the WALTER Micro Drill Bit 0.22 mm (A3143-0.22) 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 on this precision cobalt micro drill bit.

How to select the correct WALTER micro drill bit for precision work?

To select the correct WALTER micro drill bit, match the diameter (0.22 mm) to your required hole size and consider the material being drilled. The 118° 2-facet point is ideal for precise centering on metals. For very small holes, ensure your drill press or CNC has adequate speed and runout control to avoid 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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