Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

CHICAGO-LATROBE Jobber Length Drill Bit: 3/16", 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: 3/16", 135° Split Point, Black Oxide HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (3/16", MPN 45612) is a NAS-spec high-speed steel drill bit for aerospace applications, featuring a 135° split point and black oxide finish. It conforms to NAS 907 Type B…

SKU 3G-OTH-189849

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 3/16", 135° Split Point, Black Oxide HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
45612
Type
Black Oxide HSS, NAS 907 Type B
Split Point
135°

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (3/16", MPN 45612) is a NAS-spec high-speed steel drill bit for aerospace applications, featuring a 135° split point and black oxide finish. It conforms to NAS 907 Type B, with a diameter of 0.1875 inches. 3G Electric interprets your demand for specialized tooling and delivers this genuine industrial bit across 14 departments, with trusted expertise in combustion, pumps, and controls.

Frequently Asked Questions

What is the CHICAGO-LATROBE 45612 drill bit used for?

This jobber length drill bit is designed for aerospace and precision industrial drilling. Its 135° split point reduces walking and requires less thrust, making it ideal for hard materials. 3G Electric supplies this NAS 907 Type B bit as part of our broad industrial offering across machining and aerospace applications.

What are the specifications of the CHICAGO-LATROBE 45612?

The CHICAGO-LATROBE 45612 is a 3/16" (0.1875 in) jobber length drill bit with a 135° split point, black oxide finish, and high-speed steel construction. It meets NAS 907 Type B specifications. 3G Electric sources this genuine CHICAGO-LATROBE part for global delivery.

Where to buy CHICAGO-LATROBE 45612 worldwide?

3G Electric supplies the CHICAGO-LATROBE 45612 drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this NAS-spec aerospace tool.

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

For aerospace work, choose a bit with a 135° split point to prevent walking on curved surfaces. Confirm NAS 907 compliance and black oxide coating for heat resistance. 3G Electric can help interpret your application needs and source the correct CHICAGO-LATROBE bit for your project.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: 7/16", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45628)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 7/16", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45628)
CHICAGO-LATROBE Jobber Length Drill Bit: 1/2", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45632)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 1/2", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45632)
CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45620)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45620)
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45615)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45615)
CHICAGO-LATROBE Jobber Length Drill Bit: 7/32", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45614)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 7/32", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45614)
CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45613)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 13/64", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45613)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
Black oxide high-speed steel jobber-length drill bit with 135° split point, conforming to NAS 907 Type B standards. Designed for precision hole drilling in aerospace applications, particularly in high-strength alloys and sheet metal
CHICAGO-LATROBE
Black oxide high-speed steel jobber-length drill bit with 135° split point, conforming to NAS 907 Type B standards. Designed for precision hole drilling in aerospace applications, particularly in high-strength alloys and sheet metal
Black oxide high-speed steel jobber-length drill bit conforming to NAS 907 Type B. Features a 135° split point for precise starting and reduced walking. Suitable for drilling small-diameter holes in aerospace materials such as high-strength alloys and sheet metal
CHICAGO-LATROBE
Black oxide high-speed steel jobber-length drill bit conforming to NAS 907 Type B. Features a 135° split point for precise starting and reduced walking. Suitable for drilling small-diameter holes in aerospace materials such as high-strength alloys and sheet metal
Black oxide high-speed steel jobber-length drill bit with a 135° split point. Meets NAS 907 Type B specifications. Suitable for general precision drilling in metalworking applications, including aerospace-grade materials
CHICAGO-LATROBE
Black oxide high-speed steel jobber-length drill bit with a 135° split point. Meets NAS 907 Type B specifications. Suitable for general precision drilling in metalworking applications, including aerospace-grade materials
This jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for aerospace and precision industrial drilling applications, reducing walking and eliminating the need for a center punch. The TiN coating extends tool life in ferrous metals and high-temperature alloys
CHICAGO-LATROBE
This jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for aerospace and precision industrial drilling applications, reducing walking and eliminating the need for a center punch. The TiN coating extends tool life in ferrous metals and high-temperature alloys
This #27 jobber-length drill bit is made from high-speed steel with a black oxide finish, conforming to NAS 907 Type B. It features a 135° split point for reduced walking and precise hole starting. Suitable for drilling in aerospace and other demanding applications where NAS specifications are required
CHICAGO-LATROBE
This #27 jobber-length drill bit is made from high-speed steel with a black oxide finish, conforming to NAS 907 Type B. It features a 135° split point for reduced walking and precise hole starting. Suitable for drilling in aerospace and other demanding applications where NAS specifications are required
This 1/2" diameter jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point. It meets NAS 907 Type B specifications, making it suitable for drilling in aerospace and other high-strength alloy applications
CHICAGO-LATROBE
This 1/2" diameter jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point. It meets NAS 907 Type B specifications, making it suitable for drilling in aerospace and other high-strength alloy applications
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications. Typical applications include drilling in aerospace-grade materials such as high-strength alloys and sheet metal where precision and adherence to standards are required
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications. Typical applications include drilling in aerospace-grade materials such as high-strength alloys and sheet metal where precision and adherence to standards are required
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications for aerospace drilling applications. The split point reduces walking and drilling force, while the black oxide finish enhances heat resistance and chip evacuation in ferrous metals
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications for aerospace drilling applications. The split point reduces walking and drilling force, while the black oxide finish enhances heat resistance and chip evacuation in ferrous metals