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CHICAGO-LATROBE Jobber Length Drill Bit: 8.1 mm, 135° Split Point - NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE Jobber Length Drill Bit: 8.1 mm, 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit (8.1 mm, MPN 47891) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Straw/Bronze Cobalt construction. With a specified value of…

SKU 3G-OTH-200177

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 8.1 mm, 135° Split Point
Category
NAS-Spec Cobalt 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
47891
Type
Straw/Bronze Cobalt
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 (8.1 mm, MPN 47891) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Straw/Bronze Cobalt construction. With a specified value of 0.3189, this tool is designed for precision drilling in demanding aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE 47891 drill bit used for?

The CHICAGO-LATROBE 47891 is a NAS-spec cobalt jobber-length drill bit designed for aerospace applications. Its 8.1 mm diameter and 135° split point enable precise drilling in hard metals like titanium and stainless steel, meeting stringent aerospace standards.

What are the specifications of the CHICAGO-LATROBE 47891 drill bit?

The CHICAGO-LATROBE 47891 is a straw/bronze cobalt jobber-length drill bit with an 8.1 mm diameter and a 135° split point. It is a NAS-spec tool for aerospace use, with manufacturer part number 47891 and a decimal equivalent of 0.3189 inches.

Where to buy CHICAGO-LATROBE 47891 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 47891 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

For aerospace drilling, choose a NAS-spec cobalt bit like the CHICAGO-LATROBE 47891 with a 135° split point to reduce walking and heat. Match the diameter to your hole size and ensure the bit is suitable for hard metals such as titanium or stainless steel.

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 cobalt 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
CHICAGO-LATROBE Jobber Length Drill Bit: 8.5 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47895)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 8.5 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47895)
This CHICAGO-LATROBE jobber-length drill bit is made from cobalt steel with a straw/bronze finish and features a 135° split point. It is designed for general-purpose drilling in ferrous and non-ferrous materials, including hardened steels and alloys. The 8.3 mm diameter and NAS specification make it suitable for precision holemaking in demanding applications
CHICAGO-LATROBE
This CHICAGO-LATROBE jobber-length drill bit is made from cobalt steel with a straw/bronze finish and features a 135° split point. It is designed for general-purpose drilling in ferrous and non-ferrous materials, including hardened steels and alloys. The 8.3 mm diameter and NAS specification make it suitable for precision holemaking in demanding applications
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It meets NAS specifications for aerospace applications. The 8.2 mm (0.3228 in) diameter bit is suited for drilling in high-strength alloys and other demanding materials
CHICAGO-LATROBE
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It meets NAS specifications for aerospace applications. The 8.2 mm (0.3228 in) diameter bit is suited for drilling in high-strength alloys and other demanding materials
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It meets NAS specifications for aerospace applications. Suitable for drilling hard metals in precision holemaking tasks
CHICAGO-LATROBE
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It meets NAS specifications for aerospace applications. Suitable for drilling hard metals in precision holemaking tasks
CHICAGO-LATROBE Jobber Length Drill Bit: 8.4 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47894)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 8.4 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47894)
CHICAGO-LATROBE Jobber Length Drill Bit: 8.9 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47899)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 8.9 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47899)

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This 2.5 mm (0.0984 in) jobber-length drill bit is made from straw/bronze cobalt and features a 135° split point. Designed for aerospace applications requiring NAS-spec compliance, the split point reduces thrust and walking on curved surfaces. Suitable for drilling hard metals such as titanium and stainless steel in aircraft maintenance and manufacturing
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This 2.5 mm (0.0984 in) jobber-length drill bit is made from straw/bronze cobalt and features a 135° split point. Designed for aerospace applications requiring NAS-spec compliance, the split point reduces thrust and walking on curved surfaces. Suitable for drilling hard metals such as titanium and stainless steel in aircraft maintenance and manufacturing
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This NAS-spec jobber-length drill bit is made from cobalt steel with a titanium aluminum nitride (TiAlN) coating for heat resistance and extended tool life. The 135° split point reduces walking and improves penetration. Suitable for drilling in high-strength alloys and other demanding materials in aerospace and general machining applications
This #26 jobber-length drill bit is made of cobalt steel with a straw/bronze finish, meeting NAS 907 Type B specifications. It features a 135° split point to reduce walking and thrust. Designed for precision drilling in high-strength alloys and aerospace materials
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This #26 jobber-length drill bit is made of cobalt steel with a straw/bronze finish, meeting NAS 907 Type B specifications. It features a 135° split point to reduce walking and thrust. Designed for precision drilling in high-strength alloys and aerospace materials
This jobber-length drill bit features TiN-coated cobalt construction with a 135° split point, meeting NAS 907 Type B requirements. Designed for precision drilling in hard materials such as stainless steel and titanium. Suitable for aerospace and high-precision industrial applications
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This jobber-length drill bit features TiN-coated cobalt construction with a 135° split point, meeting NAS 907 Type B requirements. Designed for precision drilling in hard materials such as stainless steel and titanium. Suitable for aerospace and high-precision industrial applications
This TiAlN-coated cobalt jobber-length drill bit meets NAS 907 Type J specifications for aerospace applications. The 135° split point reduces walking and thrust, enabling precise hole drilling in hardened steels, stainless alloys, and titanium. Suitable for CNC and manual operations in demanding environments
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This TiAlN-coated cobalt jobber-length drill bit meets NAS 907 Type J specifications for aerospace applications. The 135° split point reduces walking and thrust, enabling precise hole drilling in hardened steels, stainless alloys, and titanium. Suitable for CNC and manual operations in demanding environments
This NAS-Spec cobalt jobber-length drill bit is designed for drilling high-strength alloys in aerospace applications. The 135° split point reduces walking and thrust, while the straw/bronze cobalt finish provides heat and wear resistance. Diameter: 10 mm (0.3937 in)
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This NAS-Spec cobalt jobber-length drill bit is designed for drilling high-strength alloys in aerospace applications. The 135° split point reduces walking and thrust, while the straw/bronze cobalt finish provides heat and wear resistance. Diameter: 10 mm (0.3937 in)
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This NAS-spec cobalt jobber-length drill bit features a 135° split point to reduce walking and thrust. The straw/bronze cobalt finish provides heat resistance for drilling hard materials. Commonly used in aerospace manufacturing and maintenance for drilling stainless steel and titanium
This #34 jobber-length drill bit is made of cobalt steel with a straw/bronze finish, featuring a 135° split point to reduce walking and improve chip evacuation. It conforms to NAS 907 Type B specifications for aerospace drilling applications. Commonly used for precision hole making in hard metals such as stainless steel and titanium alloys
CHICAGO-LATROBE
This #34 jobber-length drill bit is made of cobalt steel with a straw/bronze finish, featuring a 135° split point to reduce walking and improve chip evacuation. It conforms to NAS 907 Type B specifications for aerospace drilling applications. Commonly used for precision hole making in hard metals such as stainless steel and titanium alloys