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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 K, MPN 45781) is an NAS-Spec High-Speed Steel tool for aerospace applications, featuring a 135° split point and black oxide finish. It meets NAS 907 Type B…

SKU 3G-OTH-190325

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
45781
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 K, MPN 45781) is an NAS-Spec High-Speed Steel tool for aerospace applications, featuring a 135° split point and black oxide finish. It meets NAS 907 Type B standards with a 0.2810-inch diameter. 3G Electric interprets your demand for specialized cutting tools, sourcing this genuine OEM bit across 14 industrial departments—with specialist depth in combustion, pumps, and controls as a trust anchor—and supports your procurement with accountable quoting and technical guidance.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 45781 used for?

This drill bit is designed for aerospace and precision manufacturing applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking and drilling force, making it suitable for drilling hard metals like stainless steel and titanium alloys.

What are the specifications of the CHICAGO-LATROBE 45781 drill bit?

The CHICAGO-LATROBE 45781 is a Letter K jobber length drill bit with a 0.2810 inch diameter, 135° split point, and black oxide HSS construction. It meets NAS 907 Type B standards for aerospace use, ensuring durability and precision in demanding drilling tasks.

Where to buy CHICAGO-LATROBE 45781 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 45781 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 NAS-spec aerospace drill bit.

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

For aerospace drilling, choose a bit that meets NAS 907 Type B standards, like the CHICAGO-LATROBE 45781. The 135° split point and black oxide HSS construction provide heat resistance and reduced walking on hard alloys. Match the Letter K size to your hole diameter 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
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 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 P size (0.3230 inch diameter) is suited for use in high-strength alloys and sheet metal, where the split point reduces walking and improves chip evacuation
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 P size (0.3230 inch diameter) is suited for use in high-strength alloys and sheet metal, where the split point reduces walking and improves chip evacuation
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
CHICAGO-LATROBE Jobber Length Drill Bit: Letter V, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45792)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter V, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45792)
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. It features a 135° split point and meets NAS 907 Type B specifications. Designed for general-purpose drilling in metalworking applications where precise hole sizing is required
CHICAGO-LATROBE
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. Designed for general-purpose drilling in metalworking applications where precise hole sizing is required

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Black oxide high-speed steel jobber-length drill bit with 135° split point, meeting NAS 907 Type B standards. Designed for drilling in aerospace and precision metalworking applications, the split point reduces walking and requires less thrust. Suitable for use on hardened steels and alloys
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Black oxide high-speed steel jobber-length drill bit with 135° split point, meeting NAS 907 Type B standards. Designed for drilling in aerospace and precision metalworking applications, the split point reduces walking and requires less thrust. Suitable for use on hardened steels and alloys
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 #61 size has a 0.0390-inch diameter and is suitable for 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 conforms to NAS 907 Type B specifications for aerospace drilling applications. The #61 size has a 0.0390-inch diameter and is suitable for drilling in high-strength alloys and sheet metal
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 2.6 mm diameter (0.1024 in decimal equivalent) is suited for drilling in aerospace applications, including 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 conforms to NAS 907 Type B specifications. The 2.6 mm diameter (0.1024 in decimal equivalent) is suited for drilling in aerospace applications, including high-strength alloys and sheet metal
This #26 jobber-length drill bit is made from TiCN-coated high-speed steel, meeting NAS 907 Type B specifications. The 135° split point reduces walking on curved surfaces. It is used for drilling holes in materials such as aircraft-grade aluminum, titanium, and stainless steel in precision manufacturing and aerospace applications
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This #26 jobber-length drill bit is made from TiCN-coated high-speed steel, meeting NAS 907 Type B specifications. The 135° split point reduces walking on curved surfaces. It is used for drilling holes in materials such as aircraft-grade aluminum, titanium, and stainless steel in precision manufacturing and aerospace applications
TiN-coated HSS jobber-length drill bit with 135° split point, meeting NAS 907 Type B specifications. Designed for drilling precise holes in hardened steels and alloys in aerospace applications
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TiN-coated HSS jobber-length drill bit with 135° split point, meeting NAS 907 Type B specifications. Designed for drilling precise holes in hardened steels and alloys in aerospace applications
This jobber-length drill bit is made from TiCN-coated high-speed steel and features a 135° split point for reduced walking and lower thrust requirements. It conforms to NAS 907 Type B specifications, making it suitable for precision drilling in aerospace and industrial applications where tight tolerances are required
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This jobber-length drill bit is made from TiCN-coated high-speed steel and features a 135° split point for reduced walking and lower thrust requirements. It conforms to NAS 907 Type B specifications, making it suitable for precision drilling in aerospace and industrial applications where tight tolerances are required
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 0.4130-inch diameter (Letter Z). Suitable for drilling in aerospace and precision manufacturing applications where NAS compliance is 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 meets NAS 907 Type B specifications and has a 0.4130-inch diameter (Letter Z). Suitable for drilling in aerospace and precision manufacturing applications where NAS compliance is required
This 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. The letter V size corresponds to a 0.3770-inch diameter. Typical applications include drilling in aerospace manufacturing and maintenance, particularly for materials such as stainless steel and titanium
CHICAGO-LATROBE
This 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. The letter V size corresponds to a 0.3770-inch diameter. Typical applications include drilling in aerospace manufacturing and maintenance, particularly for materials such as stainless steel and titanium