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CHICAGO-LATROBE NAS-Spec High-Speed Steel 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 High-Speed Steel Jobber-Length Drill Bit

The CHICAGO-LATROBE Jobber Length Drill Bit, Letter H, 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…

SKU 3G-OTH-189894

Brand
CHICAGO-LATROBE
Item
NAS-Spec High-Speed Steel 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
45778
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, Letter H, 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 0.2660 inches (MPN 45778), this bit is designed for precision drilling in demanding industrial environments.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 45778 used for?

This drill bit is designed for aerospace and precision drilling applications. Its 135° split point reduces walking and requires less thrust, making it ideal for drilling into hardened materials. The black oxide HSS construction provides heat resistance and lubricity for extended tool life.

What are the specifications of the CHICAGO-LATROBE 45778 drill bit?

The CHICAGO-LATROBE 45778 is a jobber length drill bit with a letter H size (0.2660 inch diameter). It features a 135° split point, black oxide finish, and high-speed steel construction. It meets NAS 907 Type B standards for aerospace use.

Where to buy CHICAGO-LATROBE 45778 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 45778 drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this aerospace-grade tool.

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

For aerospace drilling, choose a bit that meets NAS 907 Type B specifications, like the CHICAGO-LATROBE 45778. The 135° split point and black oxide HSS construction are suited for tough alloys. Verify the letter size (H) matches your hole diameter requirement for precision.

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
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 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
CHICAGO-LATROBE Jobber Length Drill Bit: Letter G, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45777)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter G, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45777)
This jobber-length drill bit is made from high-speed steel with a black oxide finish and meets NAS 907 Type B specifications. It features a 135° split point for reduced walking and improved chip evacuation. Commonly used for drilling in high-strength alloys and sheet metal in aerospace applications
CHICAGO-LATROBE
This jobber-length drill bit is made from high-speed steel with a black oxide finish and meets NAS 907 Type B specifications. It features a 135° split point for reduced walking and improved chip evacuation. Commonly used for drilling in high-strength alloys and sheet metal in aerospace applications
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 for aerospace drilling applications. The Letter L size has a 0.2900-inch diameter. Suitable for drilling in high-strength materials without a center punch
CHICAGO-LATROBE
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 for aerospace drilling applications. The Letter L size has a 0.2900-inch diameter. Suitable for drilling in high-strength materials without a center punch
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

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This #62 jobber-length drill bit is made from high-speed steel with a black oxide finish, conforming to NAS 907 Type B specifications. The 135° split point reduces walking and improves hole accuracy. It is commonly used for precision drilling in high-strength alloys and sheet metals in aerospace applications
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This #62 jobber-length drill bit is made from high-speed steel with a black oxide finish, conforming to NAS 907 Type B specifications. The 135° split point reduces walking and improves hole accuracy. It is commonly used for precision drilling in high-strength alloys and sheet metals in aerospace applications
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Jobber-length drill bit with a 0.0520-inch diameter, made from TiN-coated high-speed steel. Features a 135° split point and conforms to NAS 907 Type B standards. Used for precision drilling in aerospace applications requiring tight tolerances and consistent hole quality
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 and other precision metalworking operations where close tolerances 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. Typical applications include drilling in aerospace and other precision metalworking operations where close tolerances are required
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Jobber-length drill bit with #44 wire-gauge diameter (0.0860 in), made from TiCN-coated high-speed steel. Features a 135° split point for reduced walking and improved hole accuracy. Complies with NAS 907 Type B standards, suitable for drilling in high-strength alloys and curved surfaces in aerospace applications
This TiAlN-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 drilling in hard metals such as stainless steel and titanium alloys. Diameter: 19/64" (0.2969 inches)
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This TiAlN-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 drilling in hard metals such as stainless steel and titanium alloys. Diameter: 19/64" (0.2969 inches)
This #3 jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point. It conforms to NAS 907 Type B specifications. Suitable for precision drilling in metals and alloys where tight tolerances are required, commonly used in aerospace manufacturing and maintenance
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This #3 jobber-length drill bit is made from TiN-coated high-speed steel and features a 135° split point. It conforms to NAS 907 Type B specifications. Suitable for precision drilling in metals and alloys where tight tolerances are required, commonly used in aerospace manufacturing and maintenance