WALTER Micro Drill Bit: 1.05 mm, 118° 4-Facet Point
The WALTER Micro Drill Bit (SKU 440R16, MPN A3143-1.05) is a cobalt micro drill bit with a 1.05 mm diameter and a 118° 4-facet point. It features a regular spiral flute design and is manufactured by WALTER.
SKU 3G-OTH-195073
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Product Description
The WALTER Micro Drill Bit (SKU 440R16, MPN A3143-1.05) is a cobalt micro drill bit with a 1.05 mm diameter and a 118° 4-facet point. It features a regular spiral flute design and is manufactured by WALTER.
Frequently Asked Questions
What is the WALTER Micro Drill Bit 1.05 mm used for?
The WALTER Micro Drill Bit (MPN A3143-1.05) is used for precision drilling in hardened materials, such as tool steel and stainless steel. Its 118° 4-facet point and cobalt construction provide heat resistance and accurate hole placement in industrial machining and mold-making applications.
What are the specifications of the WALTER Micro Drill Bit A3143-1.05?
The WALTER Micro Drill Bit has a 1.05 mm diameter, a 118° 4-facet point, and a regular spiral flute design. It is made from cobalt for enhanced durability and heat resistance. The manufacturer part number is A3143-1.05, and the decimal equivalent is 0.0413 inches.
Where to buy WALTER Micro Drill Bits worldwide?
You can source WALTER Micro Drill Bits worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the A3143-1.05 or other WALTER tooling.
How to select the right WALTER micro drill bit for hardened steel?
For hardened steel, choose a WALTER cobalt micro drill bit like the A3143-1.05 with a 118° 4-facet point. The cobalt alloy resists heat, while the 4-facet geometry reduces walking and improves hole accuracy. Match the diameter to your hole size and use appropriate speeds and coolant.
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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.
