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CLEVELAND Jobber Length Drill Bit: #21, 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: #21, 135° Split Point, TiN-Coated Cobalt

The CLEVELAND Jobber Length Drill Bit (#21, MPN C16633) is a TiN-Coated Cobalt, Fast Spiral drill bit with a 135° Split Point, designed for deep hole-drilling. Its key specification is 0.1590. 3G Electric sources…

SKU 3G-OTH-211649

Also listed as: C 16633 · C-16633

Brand
CLEVELAND
Item
Jobber Length Drill Bit: #21, 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
C16633
Type
TiN-Coated Cobalt, Fast Spiral
Split Point
135°

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

Product Description

The CLEVELAND Jobber Length Drill Bit (#21, MPN C16633) is a TiN-Coated Cobalt, Fast Spiral drill bit with a 135° Split Point, designed for deep hole-drilling. Its key specification is 0.1590. 3G Electric sources this genuine industrial tool across 14 departments, with specialist expertise in combustion, pumps, and controls.

Frequently Asked Questions

What is the CLEVELAND Jobber Length Drill Bit #21 used for?

The CLEVELAND Jobber Length Drill Bit #21 is used for deep-hole drilling in hard materials. Its TiN-coated cobalt construction and 135° split point reduce walking and heat buildup, making it suitable for production machining, tool and die work, and maintenance applications in metalworking industries.

What are the specifications of the CLEVELAND C16633 drill bit?

The CLEVELAND C16633 is a #21 jobber length drill bit with a 0.1590 inch diameter. It features a 135° split point, TiN-coated cobalt construction, and a fast spiral design for efficient chip evacuation in deep-hole drilling. The manufacturer part number is C16633.

Where to buy CLEVELAND C16633 drill bits worldwide?

CLEVELAND C16633 drill bits are available to order worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this TiN-coated cobalt jobber length drill bit.

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

Select a CLEVELAND jobber length drill bit based on hole diameter, material hardness, and depth. The #21 size (0.1590 inch) with TiN coating and 135° split point is ideal for hard metals. Ensure the fast spiral design matches your chip evacuation needs. 3G Electric can help source the correct CLEVELAND bit for your application.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CLEVELAND Jobber Length Drill Bit: #19, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16631)
CLEVELAND
CLEVELAND Jobber Length Drill Bit: #19, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16631)
CLEVELAND Jobber Length Drill Bit: #20, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16632)
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CLEVELAND Jobber Length Drill Bit: #20, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16632)
CLEVELAND Jobber Length Drill Bit: #22, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16634)
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CLEVELAND Jobber Length Drill Bit: #22, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16634)
CLEVELAND Jobber Length Drill Bit: #23, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16635)
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CLEVELAND Jobber Length Drill Bit: #23, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16635)
CLEVELAND Jobber Length Drill Bit: #18, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16630)
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CLEVELAND Jobber Length Drill Bit: #18, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16630)
CLEVELAND Jobber Length Drill Bit: #26, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16638)
CLEVELAND
CLEVELAND Jobber Length Drill Bit: #26, 135° Split Point, TiN-Coated Cobalt, Fast Spiral (MPN C16638)

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