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CLEVELAND Jobber Length Drill Bit: 5/16", 135° Split Point, Black Oxide Cobalt - Short-Flute Cobalt Jobber-Length Drill Bits
CLEVELANDShort-Flute Cobalt Jobber-Length Drill Bits

CLEVELAND Jobber Length Drill Bit: 5/16", 135° Split Point, Black Oxide Cobalt

The CLEVELAND Jobber Length Drill Bit (5/16", MPN C15970) is a short-flute cobalt jobber-length drill bit with a 135° split point, black oxide cobalt finish, and fast spiral design. Its key specification is a…

SKU 3G-OTH-213572

Also listed as: C 15970 · C-15970

Brand
CLEVELAND
Item
Jobber Length Drill Bit: 5/16", 135° Split Point, Black Oxide Cobalt
Category
Short-Flute Cobalt Jobber-Length Drill Bits
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CLEVELAND
Manufacturer Part Number
C15970
Type
Black Oxide 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 C15970) is a short-flute cobalt jobber-length drill bit with a 135° split point, black oxide cobalt finish, and fast spiral design. Its key specification is a diameter of 0.3125 inches.

Frequently Asked Questions

What is the CLEVELAND C15970 jobber length drill bit used for?

The CLEVELAND C15970 is a 5/16" jobber length drill bit designed for drilling into hard materials like stainless steel and alloy steels. Its black oxide cobalt construction and 135° split point reduce walking and heat buildup, making it suitable for industrial metalworking applications.

What are the specifications of the CLEVELAND C15970 drill bit?

The CLEVELAND C15970 is a 5/16" (0.3125 inch) jobber length drill bit with a 135° split point, black oxide cobalt finish, and fast spiral flute design. It is a short-flute cobalt jobber-length bit, ideal for high-torque drilling in tough metals.

Where to buy CLEVELAND C15970 drill bits worldwide?

CLEVELAND C15970 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, ensuring you receive genuine CLEVELAND tooling for your operations.

How to select the right CLEVELAND jobber length drill bit for metal?

Select a CLEVELAND jobber bit like the C15970 based on material hardness and hole depth. For stainless steel or hardened alloys, choose cobalt steel with a 135° split point to reduce thrust and heat. Match the bit diameter to your required hole size and ensure proper coolant use.

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 short-flute cobalt jobber-length drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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CLEVELAND Jobber Length Drill Bit: 25/64", 135° Split Point, Black Oxide Cobalt, Fast Spiral (MPN C15984)
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