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WALTER Micro Drill Bit: 0.39 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.39 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (MPN A3143-0.39) is a 0.39 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…

SKU 3G-OTH-195092

Brand
WALTER
Item
Micro Drill Bit: 0.39 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.39
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (MPN A3143-0.39) is a 0.39 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 0.39 mm used for?

The WALTER Micro Drill Bit (MPN A3143-0.39) is used for precision drilling of small-diameter holes in industrial applications. Its 0.39 mm diameter and 118° 2-facet point make it suitable for drilling in metals and composites where accuracy and clean entry are critical.

What are the specifications of the WALTER Micro Drill Bit 0.39 mm?

The WALTER Micro Drill Bit has a 0.39 mm diameter, a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt material and is manufactured by WALTER under MPN A3143-0.39. This precision tool is designed for industrial micro-drilling tasks.

Where to buy the WALTER Micro Drill Bit 0.39 mm worldwide?

You can source the WALTER Micro Drill Bit 0.39 mm (MPN A3143-0.39) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the tool reaches your facility reliably.

How to select the correct WALTER Micro Drill Bit for micro-drilling?

To select the correct WALTER Micro Drill Bit, match the diameter (0.39 mm) to your required hole size. The 118° 2-facet point is ideal for general-purpose drilling in metals. Ensure your drill chuck can securely hold such a small bit, and use appropriate speeds and feeds for cobalt tooling.

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: 0.37 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.37). Key specifications — attr1235721: WALTER; attr1235722: 0.0146; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.38 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.38). Key specifications — attr1235721: WALTER; attr1235722: 0.0150; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.38 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.38). Key specifications — attr1235721: WALTER; attr1235722: 0.0150; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.43 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.43). Key specifications — attr1235721: WALTER; attr1235722: 0.0169; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.43 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.43). Key specifications — attr1235721: WALTER; attr1235722: 0.0169; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.19 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.19). Key specifications — attr1235721: WALTER; attr1235722: 0.0075; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.19 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.19). Key specifications — attr1235721: WALTER; attr1235722: 0.0075; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.29 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.29). Key specifications — attr1235721: WALTER; attr1235722: 0.0114; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.29 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.29). Key specifications — attr1235721: WALTER; attr1235722: 0.0114; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.59 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.59). Key specifications — attr1235721: WALTER; attr1235722: 0.0232; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.59 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.59). Key specifications — attr1235721: WALTER; attr1235722: 0.0232; 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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WALTER Micro Drill Bit: 0.05 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.05). Key specifications — attr1235721: WALTER; attr1235722: 0.0020; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.62 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.62). Key specifications — attr1235721: WALTER; attr1235722: 0.0244; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.99 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.99). Key specifications — attr1235721: WALTER; attr1235722: 0.0390; attr1264838: Regular Spiral.
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