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CHICAGO-LATROBE Jobber Length Drill Bit: 21/64", 135° Split Point, Black Oxide HSS - NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE Jobber Length Drill Bit: 21/64", 135° Split Point, Black Oxide HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (21/64", MPN 45621) is a NAS-Spec High-Speed Steel drill bit for aerospace applications. It features a 135° split point and black oxide finish, with a diameter of 0.3281…

SKU 3G-OTH-189865

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 21/64", 135° Split Point, Black Oxide HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
45621
Type
Black Oxide HSS, NAS 907 Type B
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 (21/64", MPN 45621) is a NAS-Spec High-Speed Steel drill bit for aerospace applications. It features a 135° split point and black oxide finish, with a diameter of 0.3281 inches, meeting NAS 907 Type B standards.

Frequently Asked Questions

What is the CHICAGO-LATROBE 45621 drill bit used for?

This CHICAGO-LATROBE jobber length drill bit is designed for aerospace and precision industrial drilling. Its 135° split point reduces walking and thrust, making it suitable for hard metals. 3G Electric supplies this NAS 907 Type B bit to support critical manufacturing applications worldwide.

What are the specifications of the CHICAGO-LATROBE 45621?

The CHICAGO-LATROBE 45621 is a 21/64" (0.3281 in) jobber length drill bit with a 135° split point, black oxide finish, and high-speed steel construction. It meets NAS 907 Type B standards. 3G Electric sources this genuine CHICAGO-LATROBE part for global industrial customers.

Where to buy CHICAGO-LATROBE 45621 worldwide?

3G Electric supplies the CHICAGO-LATROBE 45621 drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us to order this NAS 907 Type B bit for your aerospace or industrial machining needs.

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

For aerospace drilling, choose a bit with a 135° split point to reduce walking on curved surfaces. The CHICAGO-LATROBE 45621 offers black oxide HSS for heat resistance and meets NAS 907 Type B standards. 3G Electric can help match the correct size and coating to your material.

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 high-speed steel 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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Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: #21, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45691)
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CHICAGO-LATROBE Jobber Length Drill Bit: 31/64", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45631)
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CHICAGO-LATROBE Jobber Length Drill Bit: 9/32", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45618)

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