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CHICAGO-LATROBE Jobber Length Drill Bit: 11.5 mm, 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: 11.5 mm, 135° Split Point, Black Oxide HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (11.5 mm, MPN 45900) is a NAS-Spec High-Speed Steel drill bit for aerospace applications. It features a 135° split point and black oxide HSS construction, meeting NAS 907…

SKU 3G-OTH-190155

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 11.5 mm, 135° Split Point, Black Oxide HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
45900
Type
Black Oxide HSS, NAS 907 Type B
Split Point
135°

Technical Documents

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (11.5 mm, MPN 45900) is a NAS-Spec High-Speed Steel drill bit for aerospace applications. It features a 135° split point and black oxide HSS construction, meeting NAS 907 Type B standards. With a diameter of 0.4528 inches, this tool is designed for precision drilling in demanding industrial environments.

Frequently Asked Questions

What is the CHICAGO-LATROBE 45900 drill bit used for?

This CHICAGO-LATROBE jobber length 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 hard metals like stainless steel and titanium in aircraft maintenance and production.

What are the specifications of the CHICAGO-LATROBE 45900 drill bit?

The CHICAGO-LATROBE 45900 is an 11.5 mm jobber length drill bit with a 135° split point, black oxide finish, and high-speed steel construction. It meets NAS 907 Type B standards and has a diameter of 0.4528 inches. The manufacturer part number is 45900.

Where to buy CHICAGO-LATROBE 45900 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 45900 drill bits worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this NAS-spec aerospace drill bit.

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

For aerospace drilling, choose a bit that meets NAS 907 Type B specs, like the CHICAGO-LATROBE 45900. A 135° split point helps prevent walking on hard alloys. Match the diameter to your hole tolerance and ensure the coating (black oxide) suits the material. 3G Electric can help you source the correct bit.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: 11 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45899)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 11 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45899)
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point, conforming to NAS 907 Type B specifications. It is designed for precision drilling in metals and alloys, commonly used in aerospace and other demanding industrial applications
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point, conforming to NAS 907 Type B specifications. It is designed for precision drilling in metals and alloys, commonly used in aerospace and other demanding industrial applications
CHICAGO-LATROBE Jobber Length Drill Bit: 10.2 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45896)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 10.2 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45896)
CHICAGO-LATROBE Jobber Length Drill Bit: 10.5 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45897)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 10.5 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45897)
CHICAGO-LATROBE Jobber Length Drill Bit: 8.5 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45880)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 8.5 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45880)
CHICAGO-LATROBE Jobber Length Drill Bit: 9.5 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45890)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 9.5 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45890)

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