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WALTER Micro Drill Bit: 0.52 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.52 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (SKU 440P66, MPN A3143-0.52) is a cobalt micro drill bit with a 0.52 mm diameter, a 118° 2-facet point, and a regular spiral flute design. This product is manufactured by WALTER and is…

SKU 3G-OTH-195056

Brand
WALTER
Item
Micro Drill Bit: 0.52 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.52
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (SKU 440P66, MPN A3143-0.52) is a cobalt micro drill bit with a 0.52 mm diameter, a 118° 2-facet point, and a regular spiral flute design. This product is manufactured by WALTER and is intended for precision drilling 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 0.52 mm used for?

The WALTER Micro Drill Bit (MPN A3143-0.52) is used for precision drilling of small-diameter holes in metals and composites. Its 0.52 mm diameter and 118° 2-facet point enable accurate starts and clean cuts in applications like PCB manufacturing, mold making, and fine mechanical assembly.

What are the specifications of the WALTER Micro Drill Bit A3143-0.52?

The WALTER Micro Drill Bit has a 0.52 mm diameter (0.0205 in), a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt steel for heat resistance and durability. The manufacturer part number is A3143-0.52, and the SKU is 440P66.

Where to buy WALTER Micro Drill Bits worldwide?

3G Electric supplies WALTER Micro Drill Bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the A3143-0.52 or other WALTER tooling for your precision drilling needs.

How to select the right WALTER micro drill bit for precision drilling?

Select a WALTER micro drill bit based on hole diameter, material, and point geometry. For hard metals, choose cobalt bits like the A3143-0.52 with a 118° point. Ensure the flute design (regular spiral) matches chip evacuation needs. Always match the drill speed and feed rate to the workpiece material for best results.

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: 0.53 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.53). Key specifications — attr1235721: WALTER; attr1235722: 0.0209; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.53 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.53). Key specifications — attr1235721: WALTER; attr1235722: 0.0209; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.67 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.67). Key specifications — attr1235721: WALTER; attr1235722: 0.0264; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.67 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.67). Key specifications — attr1235721: WALTER; attr1235722: 0.0264; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.51 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.51). Key specifications — attr1235721: WALTER; attr1235722: 0.0201; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.51 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.51). Key specifications — attr1235721: WALTER; attr1235722: 0.0201; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.54 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.54). Key specifications — attr1235721: WALTER; attr1235722: 0.0213; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.54 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.54). Key specifications — attr1235721: WALTER; attr1235722: 0.0213; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.42 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.42). Key specifications — attr1235721: WALTER; attr1235722: 0.0165; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.42 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.42). Key specifications — attr1235721: WALTER; attr1235722: 0.0165; attr1264838: Regular Spiral.
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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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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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: 0.94 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.94). Key specifications — attr1235721: WALTER; attr1235722: 0.0370; attr1264838: Regular Spiral.
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: 0.62 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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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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