CLEVELAND Jobber Length Drill Bit: Letter O, 135° Split Point, Black Oxide Cobalt
The CLEVELAND Jobber Length Drill Bit (Letter O, MPN C15971) is a short-flute cobalt drill bit with a 135° split point, black oxide cobalt finish, and fast spiral design. It features a 0.3160-inch diameter…
SKU 3G-OTH-213628
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Product Description
The CLEVELAND Jobber Length Drill Bit (Letter O, MPN C15971) is a short-flute cobalt drill bit with a 135° split point, black oxide cobalt finish, and fast spiral design. It features a 0.3160-inch diameter, engineered for drilling in industrial applications across 14 departments, with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the CLEVELAND Jobber Length Drill Bit used for?
The CLEVELAND Jobber Length Drill Bit is designed for drilling into hard materials such as stainless steel and alloy steels. Its black oxide cobalt construction and 135° split point reduce walking and improve cutting efficiency, making it suitable for industrial metalworking applications.
What are the specifications of the CLEVELAND C15971 drill bit?
The CLEVELAND C15971 is a Letter O jobber length drill bit with a 0.3160 inch diameter. It features a 135° split point, black oxide cobalt finish, and fast spiral flute design. This short-flute cobalt bit is optimized for high-speed drilling in tough metals.
Where to buy CLEVELAND drill bits worldwide?
CLEVELAND 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. Contact us for availability and lead time on the C15971 model.
How to select the right CLEVELAND jobber drill bit?
Select a CLEVELAND jobber drill bit based on material hardness and hole size. For hard metals, choose cobalt steel with a 135° split point to reduce bit walking. The Letter O size (0.3160 inch) suits medium-diameter holes. Ensure the bit's flute length matches your drilling depth requirements.
Used in
Common applications for CLEVELANDCLEVELAND 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.















