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CLEVELAND Screw Machine Drill Bit: #21, 135° Split Point, TiCN-Coated Cobalt - Cobalt Screw-Machine Length Drill Bits for Deep Hole-Drilling
CLEVELANDCobalt Screw-Machine Length Drill Bits for Deep Hole-Drilling

CLEVELAND Screw Machine Drill Bit: #21, 135° Split Point, TiCN-Coated Cobalt

The CLEVELAND Screw Machine Drill Bit #21 is a TiCN-coated cobalt, fast-spiral drill bit with a 135° split point, designed for deep hole-drilling. With a diameter of 0.1590 inches (MPN C15311), this tool is…

SKU 3G-OTH-413337

Brand
CLEVELAND
Item
Screw Machine Drill Bit: #21, 135° Split Point, TiCN-Coated Cobalt
Category
Cobalt Screw-Machine Length Drill Bits for Deep Hole-Drilling
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C15311
Type
TiCN-Coated Cobalt, Fast Spiral
Split Point
135°
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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND Screw Machine Drill Bit #21 is a TiCN-coated cobalt, fast-spiral drill bit with a 135° split point, designed for deep hole-drilling. With a diameter of 0.1590 inches (MPN C15311), this tool is engineered for precision in industrial machining applications.

Frequently Asked Questions

What is the CLEVELAND Screw Machine Drill Bit #21 used for?

The CLEVELAND #21 screw-machine length drill bit is designed for deep-hole drilling in metalworking applications. Its TiCN-coated cobalt construction and 135° split point provide heat resistance and precise cutting in production environments.

What are the specifications of the CLEVELAND C15311 drill bit?

The CLEVELAND C15311 is a #21 screw-machine length drill bit with a 0.1590-inch diameter, 135° split point, and TiCN-coated cobalt fast-spiral design. It is optimized for deep-hole drilling in industrial machining operations.

Where to buy CLEVELAND C15311 drill bits worldwide?

3G Electric supplies the CLEVELAND C15311 screw-machine drill bit worldwide. As a global industrial distributor, we handle full logistics and customs clearance to deliver this TiCN-coated cobalt bit to your facility.

How to select the right CLEVELAND screw-machine drill bit?

Select the CLEVELAND screw-machine drill bit based on hole diameter and material. The #21 size (0.1590 inch) with TiCN coating suits hardened steels. Ensure your machine spindle matches the bit's shank and speed ratings for optimal performance.

Used in

Common applications for CLEVELAND
Aerospace manufacturing — CLEVELAND NAS-spec aircraft extension drills for drilling fastener holes in aluminum airframe panels.
Bridge construction — CLEVELAND Morse-taper shank bridge reamers for enlarging bolt holes in structural steel.
Automotive production — CLEVELAND chucking reamers for precision finishing of engine component bores.
General metalworking — CLEVELAND single-flute countersinks for deburring holes in mild steel parts.
Tool and die making — CLEVELAND interchangeable-pilot counterbores for creating recesses for socket head cap screws.
Maintenance repair — CLEVELAND cobalt aircraft extension drills for drilling hardened steel in equipment repairs.

CLEVELAND Products

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.

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