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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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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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