WALTERCobalt Micro Drill Bits

WALTER Cobalt Micro Drill Bit, 1.3 mm, 118° 2-Facet Point, Regular Spiral Flute

The WALTER Micro Drill Bit (MPN A3143-1.3) is a 1.3 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. It is manufactured by WALTER and has a diameter of 0.0512 inches.

SKU 3G-OTH-195112

Also listed as: A314313 · A3143 1 3 · A3143-1-3

Brand

WALTER

Item

Cobalt Micro Drill Bit, 1.3 mm, 118° 2-Facet Point, Regular Spiral Flute

Part Number

A3143-1.3

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

WALTER

Manufacturer Part Number

A3143-1.3 

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

WALTER Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the WALTER Micro Drill Bit 1.3 mm used for?

The WALTER Micro Drill Bit (MPN A3143-1.3) is used for precision drilling in hardened materials, tool steel, and stainless steel. Its 118° 2-facet point and cobalt construction provide heat resistance and durability for micro-machining applications in mold making, aerospace, and medical device manufacturing.

What are the specifications of the WALTER Micro Drill Bit 1.3 mm?

The WALTER Micro Drill Bit (MPN A3143-1.3) has a diameter of 1.3 mm (0.0512 in), a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt, manufactured by WALTER, and is designed for precision drilling in demanding materials.

Where to buy WALTER Micro Drill Bit 1.3 mm worldwide?

You can source the WALTER Micro Drill Bit 1.3 mm (MPN A3143-1.3) 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 time.

How to select the right micro drill bit for hardened steel?

For hardened steel, select a cobalt micro drill bit like the WALTER A3143-1.3 with a 118° 2-facet point and regular spiral flute. Cobalt provides heat resistance, while the 118° point reduces walking. Ensure the drill diameter matches your hole tolerance and use appropriate cutting speeds.

Used in

Common applications for WALTER

Automotive engine component machining — WALTER indexable face mills (e.g., F2010.B.250.Z12.13.R722M) for face milling cylinder heads and blocks.

Aerospace structural parts manufacturing — WALTER screw-machine length drill bits (e.g., A1148-4.5) for drilling holes in aluminum and titanium components.

General machining job shops — WALTER indexable face mills (e.g., F4042R.B16.040.Z05.10) for face milling steel and stainless steel workpieces.

Heavy equipment repair — WALTER indexable face mills (e.g., 127 mm diameter with 11 inserts) for resurfacing large cast iron and steel parts.

Energy sector valve and pump manufacturing — WALTER indexable face mills (e.g., 100 mm diameter with R720M geometry) for machining sealing surfaces.

CNC lathe operations — WALTER screw-machine length drill bits (e.g., A1148-4.5) for drilling in automated turning centers with bar feeders.

Not sure this is the right part? Photo-identify it→

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.

Browse all WALTER products →Contact our engineers →