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CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiAlN-Coated Cobalt - NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiAlN-Coated Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit #51 is a NAS-Spec Cobalt drill bit for aerospace applications, featuring a TiAlN-coated cobalt construction and a 135° split point. With a diameter of 0.0670 inches, this…

SKU 3G-OTH-200237

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #51, 135° Split Point, TiAlN-Coated Cobalt
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
45021
Type
TiAlN-Coated Cobalt, NAS 907 Type J
Split Point
135°

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit #51 is a NAS-Spec Cobalt drill bit for aerospace applications, featuring a TiAlN-coated cobalt construction and a 135° split point. With a diameter of 0.0670 inches, this NAS 907 Type J bit (MPN 45021) is designed for precision drilling in demanding industrial environments.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit #51 used for?

This TiAlN-coated cobalt drill bit is designed for aerospace and high-precision machining applications. Its 135° split point reduces walking and cutting forces, making it ideal for drilling hard materials like stainless steel and titanium alloys.

What are the specifications of the CHICAGO-LATROBE 45021 drill bit?

The CHICAGO-LATROBE 45021 is a #51 jobber length drill bit with a 0.0670 inch diameter, 135° split point, and TiAlN-coated cobalt construction. It meets NAS 907 Type J standards for aerospace use.

Where to buy CHICAGO-LATROBE NAS-spec drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE NAS 907 Type J drill bits worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this aerospace-grade tooling.

How to select the right jobber length drill bit for aerospace materials?

For aerospace alloys, choose a cobalt bit with TiAlN coating for heat resistance and a 135° split point to reduce thrust. Match the diameter to your hole spec—like #51 (0.0670 inch)—and ensure NAS compliance for critical applications.

Used in

Common applications for CHICAGO-LATROBE
Aerospace assembly — Chicago-Latrobe NAS 907 Type B aircraft-extension drill bits for drilling fastener holes in aluminum and titanium skins.
Metal fabrication — Chicago-Latrobe reduced-shank drill bit sets for enlarging holes in structural steel using magnetic drill presses.
Maintenance repair — Chicago-Latrobe left-hand cobalt jobber-length drill bits for removing broken bolts in machinery.
Tool and die making — Chicago-Latrobe jobber-length drill bit sets with 135° split point for precision hole drilling in hardened steels.
Automotive repair — Chicago-Latrobe spiral-flute screw extractors for removing seized fasteners in engine blocks or exhaust systems.
General manufacturing — Chicago-Latrobe HSS jobber-length drill bits for production drilling in mild steel and cast iron.

CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE nas-spec cobalt jobber-length drill bits for aerospace. 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
CHICAGO-LATROBE Jobber Length Drill Bit: #52, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45022)
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CHICAGO-LATROBE Jobber Length Drill Bit: #52, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45022)
CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45019)
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CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45019)
CHICAGO-LATROBE Jobber Length Drill Bit: #50, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45020)
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CHICAGO-LATROBE Jobber Length Drill Bit: #50, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45020)
CHICAGO-LATROBE Jobber Length Drill Bit: #46, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45016)
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CHICAGO-LATROBE Jobber Length Drill Bit: #46, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45016)
CHICAGO-LATROBE Jobber Length Drill Bit: #47, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45017)
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CHICAGO-LATROBE Jobber Length Drill Bit: #47, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45017)
CHICAGO-LATROBE Jobber Length Drill Bit: #48, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45018)
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CHICAGO-LATROBE Jobber Length Drill Bit: #48, 135° Split Point, TiAlN-Coated Cobalt, NAS 907 Type J (MPN 45018)

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