WALTER Micro Drill Bit: 0.8 mm, 118° 4-Facet Point
The WALTER Micro Drill Bit (SKU 440P94, MPN A3143-0.8) is a 0.8 mm cobalt micro drill bit with a 118° 4-facet point and regular spiral flute design. It is manufactured by WALTER and features a 0.0315 inch diameter.
SKU 3G-OTH-195045
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Product Description
The WALTER Micro Drill Bit (SKU 440P94, MPN A3143-0.8) is a 0.8 mm cobalt micro drill bit with a 118° 4-facet point and regular spiral flute design. It is manufactured by WALTER and features a 0.0315 inch diameter.
Frequently Asked Questions
What is the WALTER Micro Drill Bit used for?
The WALTER Micro Drill Bit (MPN A3143-0.8) is used for precision drilling in metalworking, mold making, and electronics manufacturing. Its 0.8 mm diameter and 118° 4-facet point enable accurate hole creation in hardened steels and alloys, while the cobalt material provides heat resistance for extended tool life.
What are the specifications of the WALTER Micro Drill Bit?
The WALTER Micro Drill Bit (SKU 440P94) has a 0.8 mm diameter (0.0315 inch), a 118° 4-facet point, and a regular spiral flute design. It is made from cobalt and manufactured by WALTER. The MPN is A3143-0.8. These specs ensure precise drilling in demanding industrial applications.
Where to buy WALTER Micro Drill Bits worldwide?
WALTER Micro Drill Bits are available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact 3G Electric for pricing and lead time on the WALTER A3143-0.8 micro drill bit.
How to select the right WALTER Micro Drill Bit for your application?
Select the WALTER Micro Drill Bit based on hole diameter (0.8 mm), material hardness (cobalt for steels), and point geometry (118° 4-facet for centering). For deeper holes, consider flute length. WALTER's regular spiral design aids chip evacuation. Always match drill speed and feed to the workpiece material for best results.
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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.















