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WALTER Micro Drill Bit: 0.26 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.26 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (SKU 440P40, MPN A3143-0.26) is a 0.26 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. It is manufactured by WALTER and features a 0.0102 inch diameter…

SKU 3G-OTH-195041

Brand
WALTER
Item
Micro Drill Bit: 0.26 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.26
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (SKU 440P40, MPN A3143-0.26) is a 0.26 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. It is manufactured by WALTER and features a 0.0102 inch diameter specification.

Frequently Asked Questions

What is the WALTER Micro Drill Bit A3143-0.26 used for?

The WALTER Micro Drill Bit A3143-0.26 is used for precision drilling in industrial applications such as PCB fabrication, medical device manufacturing, and micro-machining. Its 0.26 mm diameter and 118° 2-facet point enable accurate hole creation in hard materials like stainless steel and tool steels.

What are the specifications of the WALTER Micro Drill Bit A3143-0.26?

The WALTER Micro Drill Bit A3143-0.26 has a 0.26 mm (0.0102 inch) diameter, a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt, providing heat resistance and durability for high-precision drilling in demanding industrial environments.

Where to buy the WALTER Micro Drill Bit A3143-0.26 worldwide?

3G Electric supplies the WALTER Micro Drill Bit A3143-0.26 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this precision micro drill bit.

How to select the correct micro drill bit for PCB drilling?

Select a micro drill bit based on hole diameter, material hardness, and flute design. For PCB drilling, a 118° point angle and regular spiral flute, as on the WALTER A3143-0.26, provide clean entry and chip evacuation. Cobalt construction offers extended tool life in abrasive laminates.

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: 0.27 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.27). Key specifications — attr1235721: WALTER; attr1235722: 0.0106; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.27 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.27). Key specifications — attr1235721: WALTER; attr1235722: 0.0106; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.32 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.32). Key specifications — attr1235721: WALTER; attr1235722: 0.0126; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.32 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.32). Key specifications — attr1235721: WALTER; attr1235722: 0.0126; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.28 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.28). Key specifications — attr1235721: WALTER; attr1235722: 0.0110; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.28 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.28). Key specifications — attr1235721: WALTER; attr1235722: 0.0110; 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: 0.22 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.22). Key specifications — attr1235721: WALTER; attr1235722: 0.0087; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.22 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.22). Key specifications — attr1235721: WALTER; attr1235722: 0.0087; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 0.3 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.3). Key specifications — attr1235721: WALTER; attr1235722: 0.0118; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.3 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.3). Key specifications — attr1235721: WALTER; attr1235722: 0.0118; 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.
WALTER Micro Drill Bit: 0.76 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.76). Key specifications — attr1235721: WALTER; attr1235722: 0.0299; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 0.76 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.76). Key specifications — attr1235721: WALTER; attr1235722: 0.0299; attr1264838: Regular Spiral.
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