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CHICAGO-LATROBE Jobber Length Drill Bit: Letter A, 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: Letter A, 135° Split Point, Black Oxide HSS

The CHICAGO-LATROBE Jobber Length Drill Bit, Letter A, is an NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Black Oxide HSS construction per NAS 907 Type B. With a…

SKU 3G-OTH-189886

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: Letter A, 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
45771
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, Letter A, is an NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Black Oxide HSS construction per NAS 907 Type B. With a diameter of 0.2340 inches (MPN 45771), this bit is designed for precision drilling in demanding aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 45771 used for?

This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and thrust, making it suitable for drilling precise holes in high-strength alloys and sheet metal.

What are the specifications of the CHICAGO-LATROBE 45771 drill bit?

The CHICAGO-LATROBE 45771 is a Letter A (0.2340 inch) jobber length drill bit with a 135° split point, black oxide finish, and high-speed steel construction. It meets NAS 907 Type B standards for aerospace drilling.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the 45771 or other NAS-spec bits.

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

For aerospace drilling, choose a bit meeting NAS 907 Type B, like the CHICAGO-LATROBE 45771. The 135° split point and black oxide HSS provide durability in tough alloys. Match the letter size (A) to your hole diameter requirement.

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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