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CLEVELAND Jobber Length Drill Bit: 23/64", 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: 23/64", 135° Split Point, Black Oxide Cobalt

The CLEVELAND Jobber Length Drill Bit (23/64", MPN C15979) is a short-flute cobalt jobber-length drill bit with a 135° split point, black oxide cobalt finish, and fast spiral design. It features a 0.3594…

SKU 3G-OTH-213653

Also listed as: C 15979 · C-15979

Brand
CLEVELAND
Item
Jobber Length Drill Bit: 23/64", 135° Split Point, Black Oxide Cobalt
Category
Short-Flute Cobalt Jobber-Length Drill Bits
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CLEVELAND
Manufacturer Part Number
C15979
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 (23/64", MPN C15979) is a short-flute cobalt jobber-length drill bit with a 135° split point, black oxide cobalt finish, and fast spiral design. It features a 0.3594 specification, delivering a durable solution for industrial drilling applications across 14 departments, with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the CLEVELAND C15979 jobber length drill bit used for?

The CLEVELAND C15979 is a 23/64" black oxide cobalt jobber length drill bit with a 135° split point and fast spiral. It is designed for drilling hard materials like stainless steel and high-temperature alloys in industrial machining, metalworking, and maintenance applications.

What are the specifications of the CLEVELAND C15979 drill bit?

The CLEVELAND C15979 is a 23/64" (0.3594") 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-speed drilling in tough metals.

Where to buy CLEVELAND C15979 drill bits worldwide?

3G Electric supplies the CLEVELAND C15979 jobber length drill bit to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this bit for your machining operations.

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

Select the CLEVELAND C15979 for drilling hard metals like stainless steel or titanium. The 135° split point reduces walking, while the black oxide cobalt finish extends tool life. Match the 23/64" diameter to your hole size and use proper cutting speeds for cobalt bits.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CLEVELAND C15968 is a 19/64" (0.2969 inch) short-flute cobalt jobber-length drill bit with a 135° split point, black oxide cobalt finish, and fast spiral flute design. It is used for drilling hard materials such as stainless steel and alloy steels in industrial metalworking applications
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CLEVELAND C15968 is a 19/64" (0.2969 inch) short-flute cobalt jobber-length drill bit with a 135° split point, black oxide cobalt finish, and fast spiral flute design. It is used for drilling hard materials such as stainless steel and alloy steels in industrial metalworking applications
CLEVELAND Jobber Length Drill Bit: 25/64", 135° Split Point, Black Oxide Cobalt, Fast Spiral (MPN C15984)
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CLEVELAND Jobber Length Drill Bit: 25/64", 135° Split Point, Black Oxide Cobalt, Fast Spiral (MPN C15984)
CLEVELAND Jobber Length Drill Bit: 21/64", 135° Split Point, Black Oxide Cobalt, Fast Spiral (MPN C15973)
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CLEVELAND Jobber Length Drill Bit: 7/64", 135° Split Point, Black Oxide Cobalt, Fast Spiral (MPN C15909)
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CLEVELAND Jobber Length Drill Bit: 7/64", 135° Split Point, Black Oxide Cobalt, Fast Spiral (MPN C15909)
Black oxide cobalt finish with fast spiral flute design. 135° split point reduces walking and heat buildup. Suitable for drilling hard materials such as stainless steel and alloy steels in industrial metalworking applications
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Black oxide cobalt finish with fast spiral flute design. 135° split point reduces walking and heat buildup. Suitable for drilling hard materials such as stainless steel and alloy steels in industrial metalworking applications
CLEVELAND Jobber Length Drill Bit: 9/32", 135° Split Point, Black Oxide Cobalt, Fast Spiral (MPN C15965)
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CLEVELAND Jobber Length Drill Bit: 9/32", 135° Split Point, Black Oxide Cobalt, Fast Spiral (MPN C15965)

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