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CHICAGO-LATROBE Jobber Length Drill Bit: #11, 135° Split Point, TiN-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: #11, 135° Split Point, TiN-Coated Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit #11 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point and a 0.1910-inch diameter (MPN 54021). Designed to meet aerospace NAS-Spec requirements, this…

SKU 3G-OTH-200444

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #11, 135° Split Point, TiN-Coated Cobalt
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
54021
Type
TiN-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 #11 is a TiN-Coated Cobalt, NAS 907 Type J drill bit with a 135° split point and a 0.1910-inch diameter (MPN 54021). Designed to meet aerospace NAS-Spec requirements, this tool is suitable for demanding industrial drilling applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit #11 used for?

This TiN-coated cobalt drill bit is designed for aerospace applications requiring NAS 907 Type J compliance. It drills precise holes in hardened steels, stainless steels, and high-temperature alloys. The 135° split point reduces walking and improves penetration, making it suitable for demanding industrial and aircraft maintenance tasks.

What are the specifications of the CHICAGO-LATROBE 54021 drill bit?

The CHICAGO-LATROBE 54021 is a #11 jobber length drill bit with a 0.1910-inch diameter, 135° split point, and TiN-coated cobalt construction. It meets NAS 907 Type J specifications. The coating extends tool life and reduces friction, while the split point geometry enhances cutting efficiency in tough materials.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead times. We source genuine NAS-spec tooling for aerospace and manufacturing operations across all regions.

How to select the correct CHICAGO-LATROBE drill bit for aerospace work?

Select a drill bit that matches the material hardness and hole tolerance required. For aerospace alloys, use cobalt or carbide bits with a 135° split point and appropriate coating. Verify the bit meets NAS 907 Type J if specified. CHICAGO-LATROBE offers TiN-coated options for extended tool life in high-strength materials.

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: #12, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54022)
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CHICAGO-LATROBE Jobber Length Drill Bit: #12, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54022)
CHICAGO-LATROBE Jobber Length Drill Bit: #1, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54011)
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CHICAGO-LATROBE Jobber Length Drill Bit: #1, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54011)
CHICAGO-LATROBE Jobber Length Drill Bit: #14, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54024)
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CHICAGO-LATROBE Jobber Length Drill Bit: #14, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54024)
CHICAGO-LATROBE Jobber Length Drill Bit: #13, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54023)
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CHICAGO-LATROBE Jobber Length Drill Bit: #13, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54023)
CHICAGO-LATROBE Jobber Length Drill Bit: #21, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54031)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #21, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54031)
CHICAGO-LATROBE Jobber Length Drill Bit: 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54113)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 135° Split Point, TiN-Coated Cobalt, NAS 907 Type J (MPN 54113)

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