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CHICAGO-LATROBE NAS-Spec Cobalt Jobber-Length Drill Bit - NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace

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

The CHICAGO-LATROBE Jobber Length Drill Bit (6.7 mm, MPN 47987) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiN-Coated Cobalt construction with a 135° Split Point and NAS 907 Type B…

SKU 3G-OTH-200370

Brand
CHICAGO-LATROBE
Item
NAS-Spec Cobalt Jobber-Length Drill Bit
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
47987
Type
TiN-Coated Cobalt, 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 (6.7 mm, MPN 47987) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiN-Coated Cobalt construction with a 135° Split Point and NAS 907 Type B compliance. With a specified attribute of 0.2638, this bit is engineered for precision drilling in demanding aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 47987 used for?

This drill bit is designed for aerospace and high-precision metal drilling applications. Its 135° split point reduces walking, while the TiN-coated cobalt construction provides heat resistance and extended tool life in tough materials like stainless steel and titanium.

What are the specifications of the CHICAGO-LATROBE 47987 drill bit?

The CHICAGO-LATROBE 47987 is a jobber length drill bit with a 6.7 mm diameter, 135° split point, and TiN-coated cobalt material. It meets NAS 907 Type B standards and has a manufacturer part number of 47987. The decimal equivalent is 0.2638 inches.

Where to buy CHICAGO-LATROBE 47987 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 47987 drill bit to customers worldwide. 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 right CHICAGO-LATROBE drill bit for aerospace work?

For aerospace drilling, choose a bit that meets NAS specifications, like the CHICAGO-LATROBE 47987 with a 135° split point and TiN coating. Match the diameter to your hole size and ensure the material (cobalt) suits the workpiece hardness. Always verify the shank type for your chuck.

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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This TiN-coated cobalt jobber-length drill bit meets NAS 907 Type B standards for aerospace drilling applications. The 135° split point reduces walking and improves penetration in hardened steels, stainless steels, and titanium alloys. Suitable for high-tolerance manufacturing and maintenance environments
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This TiN-coated cobalt jobber-length drill bit meets NAS 907 Type B standards for aerospace drilling applications. The 135° split point reduces walking and improves penetration in hardened steels, stainless steels, and titanium alloys. Suitable for high-tolerance manufacturing and maintenance environments
CHICAGO-LATROBE Jobber Length Drill Bit: 6.5 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47985)
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CHICAGO-LATROBE Jobber Length Drill Bit: 6.5 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47985)
CHICAGO-LATROBE Jobber Length Drill Bit: 6 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47980)
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CHICAGO-LATROBE Jobber Length Drill Bit: 6 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47980)
This TiN-coated cobalt jobber-length drill bit meets NAS 907 Type B specifications for aerospace applications. The 135° split point reduces walking and improves hole accuracy. Suitable for drilling in tough materials such as stainless steel and titanium
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This TiN-coated cobalt jobber-length drill bit meets NAS 907 Type B specifications for aerospace applications. The 135° split point reduces walking and improves hole accuracy. Suitable for drilling in tough materials such as stainless steel and titanium
CHICAGO-LATROBE Jobber Length Drill Bit: 5 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47970)
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CHICAGO-LATROBE Jobber Length Drill Bit: 5 mm, 135° Split Point, TiN-Coated Cobalt, NAS 907 Type B (MPN 47970)
This jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type B specifications. It features a 135° split point for precise starting and reduced thrust. Commonly used for drilling in aerospace-grade materials such as stainless steel and titanium alloys
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This jobber-length drill bit is made of TiN-coated cobalt and meets NAS 907 Type B specifications. It features a 135° split point for precise starting and reduced thrust. Commonly used for drilling in aerospace-grade materials such as stainless steel and titanium alloys

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This TiAlN-coated cobalt jobber-length drill bit meets NAS specifications for aerospace applications. The 135° split point reduces walking and thrust, enabling drilling in hard materials such as stainless steel and titanium. Suitable for general-purpose holemaking in demanding industrial environments
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This TiAlN-coated cobalt jobber-length drill bit meets NAS specifications for aerospace applications. The 135° split point reduces walking and thrust, enabling drilling in hard materials such as stainless steel and titanium. Suitable for general-purpose holemaking in demanding industrial environments
This NAS-spec cobalt jobber-length drill bit features a 135° split point and straw/bronze finish. Designed for aerospace applications, it is suitable for drilling hard materials such as stainless steel and titanium. Size: 17/64" (0.2656 in)
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This NAS-spec cobalt jobber-length drill bit features a 135° split point and straw/bronze finish. Designed for aerospace applications, it is suitable for drilling hard materials such as stainless steel and titanium. Size: 17/64" (0.2656 in)
This NAS-spec cobalt jobber-length drill bit is sized at 29/64" (0.4531") with a 135° split point and straw/bronze finish. It is designed for drilling hard metals such as stainless steel and titanium in aerospace maintenance and manufacturing applications
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This NAS-spec cobalt jobber-length drill bit is sized at 29/64" (0.4531") with a 135° split point and straw/bronze finish. It is designed for drilling hard metals such as stainless steel and titanium in aerospace maintenance and manufacturing applications
This TiN-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 steels, and superalloys. Suitable for CNC and manual drilling operations
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This TiN-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 steels, and superalloys. Suitable for CNC and manual drilling operations
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish, meeting NAS 907 Type B specifications for aerospace applications. The 135° split point reduces walking and drilling force. It is suited for drilling hard metals such as stainless steel and titanium in general industrial machining
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This jobber-length drill bit is made from cobalt steel with a straw/bronze finish, meeting NAS 907 Type B specifications for aerospace applications. The 135° split point reduces walking and drilling force. It is suited for drilling hard metals such as stainless steel and titanium in general industrial machining
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This TiAlN-coated cobalt drill bit meets NAS 907 Type J specifications for aerospace drilling. The 135° split point reduces walking and improves penetration. Suitable for drilling hardened steels, stainless steels, and titanium alloys in high-tolerance manufacturing and maintenance operations
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This TiN-coated cobalt jobber-length drill bit is manufactured to NAS specifications for aerospace applications. The 135° split point reduces walking and requires less thrust. Suitable for precision drilling in hard materials such as stainless steel and titanium
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
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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