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CHICAGO-LATROBE Jobber Length Drill Bit: 31/64", 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: 31/64", 135° Split Point, Black Oxide HSS

The CHICAGO-LATROBE Jobber Length Drill Bit (31/64", MPN 45631) 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-189880

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 31/64", 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
45631
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 (31/64", MPN 45631) 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. With a diameter of 0.4844 inches, this tool is designed for precision drilling in demanding industrial environments.

Frequently Asked Questions

What is the CHICAGO-LATROBE 45631 drill bit used for?

The CHICAGO-LATROBE 45631 is a NAS 907 Type B jobber-length drill bit designed for aerospace and precision industrial drilling. Its 135° split point reduces walking and thrust, making it suitable for high-strength alloys and sheet metal in aircraft assembly and maintenance.

What are the specifications of the CHICAGO-LATROBE 45631?

The CHICAGO-LATROBE 45631 is a 31/64" (0.4844 inch) jobber-length drill bit with a 135° split point, black oxide finish, and high-speed steel construction. It meets NAS 907 Type B specifications for aerospace applications. The manufacturer part number is 45631.

Where to buy CHICAGO-LATROBE 45631 worldwide?

3G Electric supplies the CHICAGO-LATROBE 45631 drill bit to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this NAS-spec aerospace tool.

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

For aerospace drilling, choose a bit that meets NAS 907 Type B specs, like the CHICAGO-LATROBE 45631. A 135° split point helps prevent walking on curved surfaces. Match the diameter (31/64") to your fastener or hole tolerance. Black oxide HSS provides lubricity and heat resistance for high-strength alloys.

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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CHICAGO-LATROBE Jobber Length Drill Bit: 13/32", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45626)
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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
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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
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