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WALTER Micro Drill Bit: 0.71 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.71 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (SKU 440P85, MPN A3143-0.71) is a 0.71 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. This precision tool is manufactured by WALTER for industrial…

SKU 3G-OTH-195075

Brand
WALTER
Item
Micro Drill Bit: 0.71 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.71
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (SKU 440P85, MPN A3143-0.71) is a 0.71 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. This precision tool is manufactured by WALTER for industrial drilling applications requiring small-diameter holes.

Frequently Asked Questions

What is the WALTER Micro Drill Bit 0.71 mm used for?

The WALTER Micro Drill Bit 0.71 mm is used for precision drilling of small-diameter holes in industrial applications, such as PCB manufacturing, electronics assembly, and fine metalworking. Its cobalt construction and 118° 2-facet point provide durability and accurate entry in hard materials.

What are the specifications of the WALTER Micro Drill Bit A3143-0.71?

The WALTER Micro Drill Bit A3143-0.71 has a diameter of 0.71 mm, a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt for heat resistance and hardness. The manufacturer part number is A3143-0.71, and it is designed for precision drilling in industrial settings.

Where to buy WALTER Micro Drill Bit 0.71 mm worldwide?

You can source the WALTER Micro Drill Bit 0.71 mm worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this precision cobalt drill bit.

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

To select the right WALTER micro drill bit, match the diameter (e.g., 0.71 mm) to your hole size requirement. Consider the material: cobalt bits suit hard metals. The 118° 2-facet point is ideal for general-purpose drilling. For best results, use proper spindle speed and coolant as recommended by WALTER.

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: 0.77 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.77). Key specifications — attr1235721: WALTER; attr1235722: 0.0303; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.74 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.74). Key specifications — attr1235721: WALTER; attr1235722: 0.0291; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.72 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.72). Key specifications — attr1235721: WALTER; attr1235722: 0.0284; attr1264838: Regular Spiral.

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