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CHICAGO-LATROBE NAS-Spec HSS Jobber-Length Drill Bit - 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 NAS-Spec HSS Jobber-Length Drill Bit

The CHICAGO-LATROBE Jobber Length Drill Bit, Letter B, is an NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, meeting NAS 907 Type B standards. It features a 135° split point and black oxide HSS…

SKU 3G-OTH-189888

Brand
CHICAGO-LATROBE
Item
NAS-Spec HSS Jobber-Length Drill Bit
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
45772
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, Letter B, is an NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, meeting NAS 907 Type B standards. It features a 135° split point and black oxide HSS construction, with a diameter of 0.2380 inches (MPN 45772).

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 45772 used for?

This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point and black oxide HSS construction enable precise drilling in high-strength alloys and sheet metal, reducing walking and improving chip evacuation.

What are the specifications of the CHICAGO-LATROBE 45772 drill bit?

The CHICAGO-LATROBE 45772 is a jobber-length drill bit with a Letter B size (0.2380 inch diameter), 135° split point, and black oxide high-speed steel finish. It meets NAS 907 Type B standards for aerospace drilling tasks.

Where to buy CHICAGO-LATROBE 45772 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 45772 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time.

How to select the right CHICAGO-LATROBE drill bit for aerospace work?

For aerospace drilling, choose a bit meeting NAS 907 Type B, like the CHICAGO-LATROBE 45772. The 135° split point reduces thrust and walking on curved surfaces. Match the Letter B size (0.2380 inch) to your hole tolerance 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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Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: Letter C, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45773)
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CHICAGO-LATROBE Jobber Length Drill Bit: Letter C, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45773)
CHICAGO-LATROBE Jobber Length Drill Bit: Letter A, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45771)
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CHICAGO-LATROBE Jobber Length Drill Bit: Letter A, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45771)
This jobber-length drill bit is made of high-speed steel with a black oxide finish for heat resistance and lubricity. It features a 135° split point that reduces walking and drilling force. Designed to meet NAS 907 Type B standards, it is suitable for precision hole drilling in metals in aerospace and other industrial applications
CHICAGO-LATROBE
This jobber-length drill bit is made of high-speed steel with a black oxide finish for heat resistance and lubricity. It features a 135° split point that reduces walking and drilling force. Designed to meet NAS 907 Type B standards, it is suitable for precision hole drilling in metals in aerospace and other industrial applications
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B standards and has a diameter of 0.2950 inches (Letter M). Commonly used in aerospace drilling applications where precise holemaking in metals and alloys is 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 meets NAS 907 Type B standards and has a diameter of 0.2950 inches (Letter M). Commonly used in aerospace drilling applications where precise holemaking in metals and alloys is required
This jobber-length drill bit is made from high-speed steel with a black oxide finish for heat resistance and lubricity. It features a 135° split point that reduces walking and drilling force. Designed to meet NAS 907 Type B standards, it is suitable for precision hole drilling in metals for aerospace applications
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish for heat resistance and lubricity. It features a 135° split point that reduces walking and drilling force. Designed to meet NAS 907 Type B standards, it is suitable for precision hole drilling in metals for aerospace applications
This jobber-length drill bit is made of high-speed steel with a black oxide finish, featuring a 135° split point. It meets NAS 907 Type B specifications and is sized Letter H (0.2660 in). Suitable for general-purpose drilling in metalworking and machining applications where NAS standards are required
CHICAGO-LATROBE
This jobber-length drill bit is made of high-speed steel with a black oxide finish, featuring a 135° split point. It meets NAS 907 Type B specifications and is sized Letter H (0.2660 in). Suitable for general-purpose drilling in metalworking and machining applications where NAS standards are required

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This jobber-length drill bit is made from high-speed steel with a black oxide finish. It features a 135° split point and meets NAS 907 Type B specifications. Commonly used for precision holemaking in aerospace applications, including drilling in high-strength alloys and sheet metal
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This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications and has a #35 wire gauge diameter of 0.1100 inches. Suitable for drilling in aerospace and precision metalworking applications, particularly in high-strength alloys and sheet metal
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This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications and has a #35 wire gauge diameter of 0.1100 inches. Suitable for drilling in aerospace and precision metalworking applications, particularly in high-strength alloys and sheet metal
This TiN-coated high-speed steel jobber-length drill bit meets NAS 907 Type B specifications for aerospace applications. The 135° split point reduces walking and thrust, enabling precise hole drilling in hardened steels and alloys. With a #45 (0.0820") diameter, it is suitable for general-purpose drilling in demanding industrial environments
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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. The split point reduces walking and eliminates the need for a center punch. Typical applications include drilling in high-strength alloys and sheet metal where tight tolerances and burr-free exits are required
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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. The split point reduces walking and eliminates the need for a center punch. Typical applications include drilling in high-strength alloys and sheet metal where tight tolerances and burr-free exits are required
This #57 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 improves hole accuracy in high-strength alloys and sheet metals
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This #57 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 improves hole accuracy in high-strength alloys and sheet metals
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This jobber-length drill bit is made from TiCN-coated high-speed steel and meets NAS 907 Type B specifications. It features a 135° split point for reduced walking and improved cutting action. Suitable for drilling in aerospace and other precision industrial applications where NAS-spec compliance is required
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This jobber-length drill bit is made of high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications. Typical applications include drilling in metals, composites, and alloys used in aerospace manufacturing and maintenance, where precise hole location and reduced walking are required