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WALTER Micro Drill Bit: 0.91 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 0.91 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (SKU 440R06, MPN A3143-0.91) is a 0.91 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. Manufactured by WALTER, this tool is specified with a diameter of…

SKU 3G-OTH-195053

Brand
WALTER
Item
Micro Drill Bit: 0.91 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-0.91
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (SKU 440R06, MPN A3143-0.91) is a 0.91 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. Manufactured by WALTER, this tool is specified with a diameter of 0.0358 inches and is designed for precision drilling applications.

Frequently Asked Questions

What is the WALTER Micro Drill Bit A3143-0.91 used for?

The WALTER Micro Drill Bit A3143-0.91 is used for precision drilling in metalworking and toolmaking. Its 0.91 mm diameter and 118° 2-facet point enable accurate hole creation in hardened materials, while the cobalt construction provides heat resistance for extended tool life in demanding industrial applications.

What are the specifications of the WALTER Micro Drill Bit A3143-0.91?

The WALTER Micro Drill Bit A3143-0.91 has a 0.91 mm diameter (0.0358 inches), a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt for durability and is manufactured by WALTER under MPN A3143-0.91. These specs ensure precise drilling in tough materials.

Where to buy the WALTER Micro Drill Bit A3143-0.91 worldwide?

3G Electric supplies the WALTER Micro Drill Bit A3143-0.91 worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this precision tool to your facility. Contact us for availability and lead time on this WALTER cobalt micro drill bit.

How to select the right WALTER Micro Drill Bit for precision drilling?

To select the right WALTER Micro Drill Bit, match the diameter (e.g., 0.91 mm for fine holes) and point angle (118° for general purpose) to your material hardness. Cobalt bits like the A3143-0.91 suit high-temperature alloys. Ensure the regular spiral flute clears chips effectively in deep-hole applications.

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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