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CLEVELAND Jobber Length Drill Bit: Letter I, 135° Split Point, Straw/Bronze Cobalt - Cobalt Jobber-Length Drill Bits for Deep Hole-Drilling
CLEVELANDCobalt Jobber-Length Drill Bits for Deep Hole-Drilling

CLEVELAND Jobber Length Drill Bit: Letter I, 135° Split Point, Straw/Bronze Cobalt

The CLEVELAND Jobber Length Drill Bit (Letter I, MPN C15657) is a cobalt jobber-length drill bit for deep hole-drilling, featuring a 135° split point and a straw/bronze cobalt finish with a fast spiral design. With a…

SKU 3G-OTH-211700

Also listed as: C 15657 · C-15657

Brand
CLEVELAND
Item
Jobber Length Drill Bit: Letter I, 135° Split Point, Straw/Bronze Cobalt
Category
Cobalt Jobber-Length Drill Bits for Deep Hole-Drilling
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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
C15657
Type
Straw/Bronze 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 (Letter I, MPN C15657) is a cobalt jobber-length drill bit for deep hole-drilling, featuring a 135° split point and a straw/bronze cobalt finish with a fast spiral design. With a diameter of 0.2720 inches, this bit is engineered for precision drilling in demanding materials.

Frequently Asked Questions

What is the CLEVELAND C15657 jobber length drill bit used for?

The CLEVELAND C15657 is a cobalt jobber-length drill bit designed for deep hole-drilling in hard materials. Its 135° split point reduces walking and thrust, while the fast spiral clears chips efficiently. It is commonly used in machining, tool and die, and metal fabrication applications.

What are the specifications of the CLEVELAND C15657 drill bit?

The CLEVELAND C15657 is a letter I size drill bit with a 0.2720 inch diameter. It features a 135° split point, straw/bronze cobalt finish, and fast spiral flute design. It is a jobber-length bit suited for deep hole-drilling in tough alloys.

Where to buy CLEVELAND C15657 drill bits worldwide?

3G Electric supplies the CLEVELAND C15657 jobber length drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this cobalt deep hole-drilling bit.

How to select the right CLEVELAND cobalt drill bit for deep holes?

For deep hole-drilling, choose a cobalt jobber-length bit like the CLEVELAND C15657 with a 135° split point to reduce walking. The fast spiral flute aids chip evacuation. Match the letter size (I = 0.2720 inch) to your hole diameter and ensure your machine has adequate speed and coolant delivery.

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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