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WALTER Micro Drill Bit: 0.9 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.9 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (SKU 440R05, MPN A3143-0.9) is a 0.9 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. Manufactured by WALTER, this tool is designed for precision…

SKU 3G-OTH-195131

Brand
WALTER
Item
Micro Drill Bit: 0.9 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.9
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (SKU 440R05, MPN A3143-0.9) is a 0.9 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. Manufactured by WALTER, this tool is designed for precision drilling applications requiring a 0.0354-inch diameter.

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 A3143-0.9 used for?

The WALTER Micro Drill Bit A3143-0.9 is used for precision drilling in metal, plastic, and composite materials. Its 0.9 mm diameter and 118° 2-facet point suit applications requiring clean, accurate holes in tight tolerances, common in toolmaking, mold work, and electronics manufacturing.

What are the specifications of the WALTER Micro Drill Bit A3143-0.9?

The WALTER Micro Drill Bit A3143-0.9 has a 0.9 mm (0.0354 in) diameter, 118° 2-facet point, and regular spiral flute design. It is made from cobalt steel for heat resistance and durability. The manufacturer part number is A3143-0.9, and the SKU is 440R05.

Where to buy the WALTER Micro Drill Bit A3143-0.9 worldwide?

3G Electric supplies the WALTER Micro Drill Bit A3143-0.9 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this precision cobalt micro drill bit.

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

Select a WALTER micro drill bit based on material hardness, hole depth, and required finish. For general metal drilling, a 118° point with regular spiral works well. Cobalt bits like the A3143-0.9 handle higher temperatures. Match diameter to your hole size and ensure adequate spindle speed and coolant.

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: 0.89 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.89). Key specifications — attr1235721: WALTER; attr1235722: 0.0350; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.91 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.91). Key specifications — attr1235721: WALTER; attr1235722: 0.0358; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.91 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.91). Key specifications — attr1235721: WALTER; attr1235722: 0.0358; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.86 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.86). Key specifications — attr1235721: WALTER; attr1235722: 0.0339; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.86 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.86). Key specifications — attr1235721: WALTER; attr1235722: 0.0339; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.92 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.92). Key specifications — attr1235721: WALTER; attr1235722: 0.0362; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.92 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.92). Key specifications — attr1235721: WALTER; attr1235722: 0.0362; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.88 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.88). Key specifications — attr1235721: WALTER; attr1235722: 0.0347; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.88 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.88). Key specifications — attr1235721: WALTER; attr1235722: 0.0347; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.95 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.95). Key specifications — attr1235721: WALTER; attr1235722: 0.0374; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.95 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.95). Key specifications — attr1235721: WALTER; attr1235722: 0.0374; 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.
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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.
WALTER Micro Drill Bit: 0.63 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.63). Key specifications — attr1235721: WALTER; attr1235722: 0.0248; 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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