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WALTER Micro Drill Bit: 1 mm, 118° 2-Facet Point - Cobalt Micro Drill Bits
WALTERCobalt Micro Drill Bits

WALTER Micro Drill Bit: 1 mm, 118° 2-Facet Point

The WALTER Micro Drill Bit (MPN A3143-1) is a 1 mm cobalt micro drill bit with a 118° 2-facet point and a regular spiral flute design. It has a diameter of 0.0394 inches and is manufactured by WALTER.

SKU 3G-OTH-195046

Brand
WALTER
Item
Micro Drill Bit: 1 mm, 118° 2-Facet Point
Category
Cobalt Micro Drill Bits
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Technical Specifications

WALTER
Manufacturer Part Number
A3143-1
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WALTER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The WALTER Micro Drill Bit (MPN A3143-1) is a 1 mm cobalt micro drill bit with a 118° 2-facet point and a regular spiral flute design. It has a diameter of 0.0394 inches and is manufactured by WALTER.

Frequently Asked Questions

What is the WALTER Micro Drill Bit A3143-1 used for?

The WALTER Micro Drill Bit A3143-1 is used for precision drilling in hard materials such as stainless steel and tool steels. Its 1 mm diameter and 118° 2-facet point enable accurate hole creation in industrial machining, mold making, and metal fabrication applications.

What are the specifications of the WALTER Micro Drill Bit A3143-1?

The WALTER Micro Drill Bit A3143-1 has a 1 mm diameter (0.0394 inches), a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt steel for heat resistance and durability, with manufacturer part number A3143-1.

Where to buy the WALTER Micro Drill Bit A3143-1 worldwide?

You can source the WALTER Micro Drill Bit A3143-1 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring the drill bit reaches your facility reliably.

How to select the correct WALTER micro drill bit for your application?

To select the correct WALTER micro drill bit, match the diameter (e.g., 1 mm for the A3143-1) to your hole size requirement. Consider material hardness: cobalt bits suit stainless steel. The 118° point angle is standard for general drilling; regular spiral flutes aid chip evacuation in shallow holes.

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: 1.15 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: 1.4 mm, 118° 2-Facet Point, Cobalt (MPN A3143-1.4). Key specifications — attr1235721: WALTER; attr1235722: 0.0551; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 1.4 mm, 118° 2-Facet Point, Cobalt (MPN A3143-1.4). Key specifications — attr1235721: WALTER; attr1235722: 0.0551; attr1264838: Regular Spiral.
WALTER Micro Drill Bit: 1.35 mm, 118° 2-Facet Point, Cobalt (MPN A3143-1.35). Key specifications — attr1235721: WALTER; attr1235722: 0.0532; 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.
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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: 1.2 mm, 118° 2-Facet Point, Cobalt (MPN A3143-1.2). Key specifications — attr1235721: WALTER; attr1235722: 0.0472; attr1264838: Regular Spiral.
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WALTER Micro Drill Bit: 1.2 mm, 118° 2-Facet Point, Cobalt (MPN A3143-1.2). Key specifications — attr1235721: WALTER; attr1235722: 0.0472; attr1264838: Regular Spiral.
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.
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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.

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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: 0.05 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: 0.99 mm, 118° 2-Facet Point, Cobalt (MPN A3143-0.99). Key specifications — attr1235721: WALTER; attr1235722: 0.0390; attr1264838: Regular Spiral.
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