WALTER Micro Drill Bit: 0.86 mm, 118° 2-Facet Point
The WALTER Micro Drill Bit (SKU 440R01, MPN A3143-0.86) is a 0.86 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. This WALTER-branded tool is specified with a 0.0339 attribute…
SKU 3G-OTH-195125
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Product Description
The WALTER Micro Drill Bit (SKU 440R01, MPN A3143-0.86) is a 0.86 mm cobalt micro drill bit with a 118° 2-facet point and regular spiral flute design. This WALTER-branded tool is specified with a 0.0339 attribute value, reflecting its precision geometry for industrial drilling applications.
Frequently Asked Questions
What is the WALTER Micro Drill Bit 0.86 mm used for?
The WALTER Micro Drill Bit 0.86 mm is used for precision drilling in industrial applications, particularly in metalworking and electronics manufacturing. Its 118° 2-facet point and cobalt construction enable accurate hole creation in hard materials like stainless steel and tool steels.
What are the specifications of the WALTER Micro Drill Bit A3143-0.86?
The WALTER Micro Drill Bit A3143-0.86 has a diameter of 0.86 mm, a 118° 2-facet point, and a regular spiral flute design. It is made from cobalt for heat resistance and durability. The manufacturer part number is A3143-0.86, and it is a WALTER-branded precision tool.
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 location. Contact us for availability and lead time on the WALTER A3143-0.86 micro drill bit.
How to select the right WALTER micro drill bit for my application?
To select the right WALTER micro drill bit, match the bit diameter (e.g., 0.86 mm) to your hole size requirement. Consider the material being drilled—cobalt bits suit hard metals. The 118° point angle is standard for general drilling. Always use proper speeds and coolant to extend tool life.
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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.















