CLEVELAND Screw Machine Drill Bit: #31, 135° Split Point, TiCN-Coated Cobalt
The CLEVELAND Screw Machine Drill Bit #31 is a TiCN-coated cobalt, fast-spiral drill bit with a 135° split point, designed for deep hole-drilling. It features a 0.1200-inch diameter and is identified by manufacturer…
SKU 3G-OTH-413327
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Product Description
The CLEVELAND Screw Machine Drill Bit #31 is a TiCN-coated cobalt, fast-spiral drill bit with a 135° split point, designed for deep hole-drilling. It features a 0.1200-inch diameter and is identified by manufacturer part number C15321.
Frequently Asked Questions
What is a CLEVELAND #31 screw machine drill bit used for?
This CLEVELAND #31 drill bit is designed for deep hole-drilling in tough materials. Its TiCN-coated cobalt construction and 135° split point reduce walking and heat buildup, making it suitable for production machining, automotive, and aerospace applications where precision and durability are critical.
What are the specifications of the CLEVELAND C15321 drill bit?
The CLEVELAND C15321 is a #31 screw-machine length drill bit with a 0.1200-inch diameter, 135° split point, and TiCN-coated cobalt fast-spiral flute design. It is engineered for deep hole-drilling in hard metals, offering improved chip evacuation and extended tool life under demanding conditions.
Where to buy CLEVELAND C15321 drill bits worldwide?
3G Electric supplies the CLEVELAND C15321 drill bit to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other precision tooling across 14 industrial departments.
How to select the right screw machine drill bit for deep hole drilling?
Select a bit with a 135° split point to reduce thrust and walking, and a TiCN coating for heat resistance in hard materials. Cobalt construction provides toughness for deep holes. Match diameter and flute length to your hole depth and material. 3G Electric can help source the correct CLEVELAND bit for your application.
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3G Electric supplies CLEVELAND cobalt screw-machine length drill bits for deep hole-drilling. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















