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CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 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: 5/16", 135° Split Point, Black Oxide HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (5/16", MPN 45620) is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a 135° split point and black oxide finish, meeting NAS 907 Type B…

SKU 3G-OTH-189863

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 5/16", 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
45620
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 (5/16", MPN 45620) is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a 135° split point and black oxide finish, meeting NAS 907 Type B standards. 3G Electric interprets your demand for specialized tooling, sourcing this bit across 14 industrial departments — with deep expertise in combustion, pumps, and controls as a trust anchor, not a limit.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 45620 used for?

This drill bit is designed for aerospace and industrial drilling applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and improves hole accuracy in metals, while the black oxide HSS construction provides heat resistance and lubricity for extended tool life.

What are the specifications of the CHICAGO-LATROBE 45620 drill bit?

The CHICAGO-LATROBE 45620 is a jobber length drill bit with a 5/16" diameter (0.3125 in), 135° split point, and black oxide high-speed steel (HSS) finish. It meets NAS 907 Type B specifications for aerospace use. The manufacturer part number is 45620.

Where to buy CHICAGO-LATROBE 45620 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 45620 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 specs, like the CHICAGO-LATROBE 45620. The 135° split point and black oxide HSS suit high-strength alloys. Match the diameter (5/16") to your hole size and ensure the jobber length fits your drill depth requirements.

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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