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CLEVELAND Jobber Length Drill Bit: 5/16", 135° Split Point, TiN-Coated Cobalt - Cobalt Jobber-Length Drill Bits for Deep Hole-Drilling
CLEVELANDCobalt Jobber-Length Drill Bits for Deep Hole-Drilling

CLEVELAND Jobber Length Drill Bit: 5/16", 135° Split Point, TiN-Coated Cobalt

The CLEVELAND Jobber Length Drill Bit (5/16", MPN C16683) is a TiN-Coated Cobalt, Fast Spiral type designed for deep hole-drilling. It features a 135° Split Point and a 0.3125 specification. 3G Electric sources this…

SKU 3G-OTH-211400

Also listed as: C 16683 · C-16683

Brand
CLEVELAND
Item
Jobber Length Drill Bit: 5/16", 135° Split Point, TiN-Coated Cobalt
Category
Cobalt Jobber-Length Drill Bits for Deep Hole-Drilling
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Technical Specifications

CLEVELAND
Manufacturer Part Number
C16683
Type
TiN-Coated Cobalt, Fast Spiral
Split Point
135°

Technical Documents

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CLEVELAND Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CLEVELAND Jobber Length Drill Bit (5/16", MPN C16683) is a TiN-Coated Cobalt, Fast Spiral type designed for deep hole-drilling. It features a 135° Split Point and a 0.3125 specification. 3G Electric sources this genuine industrial tool, backed by our specialist expertise across 14 departments including machining and electrical.

Frequently Asked Questions

What is a CLEVELAND jobber length drill bit used for?

A CLEVELAND jobber length drill bit with a 135° split point and TiN-coated cobalt is designed for deep hole-drilling in hard materials like stainless steel and alloy steels. The fast spiral aids chip evacuation, while the TiN coating reduces friction and extends tool life in demanding industrial applications.

What are the specifications of the CLEVELAND C16683 drill bit?

The CLEVELAND C16683 is a jobber length drill bit with a 5/16" diameter (0.3125 in), 135° split point, TiN-coated cobalt construction, and fast spiral flute design. It is engineered for deep hole-drilling in tough materials, offering heat resistance and durability for precision machining operations.

Where to buy CLEVELAND C16683 drill bits worldwide?

3G Electric supplies CLEVELAND C16683 TiN-coated cobalt jobber length drill bits worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other precision cutting tools.

How to select the right CLEVELAND drill bit for deep hole-drilling?

For deep hole-drilling, choose a CLEVELAND jobber length bit with a 135° split point to reduce walking and a TiN-coated cobalt material for heat resistance. Ensure the flute design (fast spiral) matches your material's chip evacuation needs. Match diameter and shank to your drill chuck and workpiece hardness.

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 jobber-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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