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WALTER Micro Drill Bit: 1.25 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 1.25 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (SKU 440R20, MPN A3143-1.25) is a 1.25 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. Manufactured by WALTER, this bit features a 0.0492-inch diameter…

SKU 3G-OTH-195047

Brand
WALTER
Item
Micro Drill Bit: 1.25 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-1.25
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (SKU 440R20, MPN A3143-1.25) is a 1.25 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. Manufactured by WALTER, this bit features a 0.0492-inch diameter and is designed for precision drilling applications.

Frequently Asked Questions

What is the WALTER Micro Drill Bit 1.25 mm used for?

The WALTER Micro Drill Bit 1.25 mm is used for precision drilling in metalworking, mold making, and electronics manufacturing. Its 118° 2-facet point and cobalt construction provide durability when drilling hardened steels and alloys. 3G Electric supplies this bit for worldwide industrial applications.

What are the specifications of the WALTER Micro Drill Bit A3143-1.25?

The WALTER Micro Drill Bit A3143-1.25 has a 1.25 mm diameter (0.0492 inches), a 118° 2-facet point, and a regular spiral flute design. It is made of cobalt for heat resistance and is manufactured by WALTER. The SKU is 440R20.

Where to buy WALTER Micro Drill Bits worldwide?

You can order the WALTER Micro Drill Bit A3143-1.25 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead times.

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

Select a WALTER micro drill bit based on material hardness and hole size. For hardened steels, choose cobalt bits like the A3143-1.25 with a 118° point. Ensure the flute design (regular spiral) matches chip evacuation needs. 3G Electric can advise on suitable options.

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: 1.45 mm, 118° 2-Facet Point, Cobalt (MPN A3143-1.45). Key specifications — attr1235721: WALTER; attr1235722: 0.0571; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 1.15 mm, 118° 2-Facet Point, Cobalt (MPN A3143-1.15). Key specifications — attr1235721: WALTER; attr1235722: 0.0453; 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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