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CHICAGO-LATROBE Jobber Length Drill Bit: 1/4", 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: 1/4", 135° Split Point, Black Oxide HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (1/4", MPN 45616) is a NAS-spec high-speed steel jobber-length drill bit for aerospace, featuring a 135° split point and black oxide finish, meeting NAS 907 Type B…

SKU 3G-OTH-189858

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 1/4", 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
45616
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 (1/4", MPN 45616) is a NAS-spec high-speed steel jobber-length drill bit for aerospace, featuring a 135° split point and black oxide finish, meeting NAS 907 Type B requirements. 3G Electric interprets this demand and delivers genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor for brands like FBR, Interpump, Riello, Beckett, Schneider, ABB, Siemens, SKF, Festo, and Fluke.

Frequently Asked Questions

What is the CHICAGO-LATROBE 45616 drill bit used for?

The CHICAGO-LATROBE 45616 is a NAS 907 Type B jobber-length drill bit designed for aerospace and high-precision industrial drilling. Its 135° split point reduces walking and thrust, making it ideal for drilling into hardened steels and alloys where positional accuracy is critical.

What are the specifications of the CHICAGO-LATROBE 45616 drill bit?

This drill bit has a 1/4" (0.2500 inch) diameter, black oxide finish on high-speed steel, a 135° split point, and meets NAS 907 Type B standards. The manufacturer part number is 45616. It is designed for jobber-length applications in aerospace and industrial settings.

Where to buy CHICAGO-LATROBE 45616 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 45616 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this NAS-spec tool to any country.

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

For aerospace drilling, choose a bit that meets NAS 907 Type B standards, like the CHICAGO-LATROBE 45616. Ensure the diameter matches your hole requirement (1/4") and the 135° split point is used for hard materials. Black oxide HSS provides heat resistance and lubricity for extended tool life.

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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