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CHICAGO-LATROBE Jobber Length Drill Bit: #8, 135° Split Point, Straw/Bronze Cobalt - 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, 135° Split Point, Straw/Bronze Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit (#8, MPN 47742) is a NAS-Spec Cobalt drill bit for aerospace applications, featuring a 135° split point and Straw/Bronze Cobalt finish, NAS 907 Type B. With a diameter of…

SKU 3G-OTH-200124

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #8, 135° Split Point, Straw/Bronze Cobalt
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
47742
Type
Straw/Bronze 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 (#8, MPN 47742) is a NAS-Spec Cobalt drill bit for aerospace applications, featuring a 135° split point and Straw/Bronze Cobalt finish, NAS 907 Type B. With a diameter of 0.1990 inches, it is designed for precision drilling in demanding industrial environments.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit #8 used for?

This drill bit is designed for aerospace and high-precision industrial drilling applications. Its 135° split point reduces walking and requires less thrust, making it ideal for drilling into tough materials like stainless steel and titanium. The straw/bronze cobalt finish provides heat resistance and extended tool life.

What are the specifications of the CHICAGO-LATROBE 47742 drill bit?

The CHICAGO-LATROBE 47742 is a #8 jobber length drill bit with a 0.1990 inch diameter, 135° split point, and straw/bronze cobalt finish. It meets NAS 907 Type B specifications for aerospace use. The cobalt construction enhances hardness and wear resistance for demanding materials.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the 47742 or other NAS-spec cobalt bits.

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

For aerospace applications, choose a bit that meets NAS 907 specifications, like the CHICAGO-LATROBE 47742. The 135° split point and cobalt construction are essential for drilling hard alloys. Match the diameter to your hole size and ensure the bit length suits your workpiece depth for optimal performance.

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: #9, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47743)
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CHICAGO-LATROBE Jobber Length Drill Bit: #9, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47743)
CHICAGO-LATROBE Jobber Length Drill Bit: #7, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47741)
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CHICAGO-LATROBE Jobber Length Drill Bit: #7, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47741)
CHICAGO-LATROBE Jobber Length Drill Bit: #6, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47740)
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CHICAGO-LATROBE Jobber Length Drill Bit: #6, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47740)
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CHICAGO-LATROBE Jobber Length Drill Bit: #10, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47744)
CHICAGO-LATROBE Jobber Length Drill Bit: #5, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47739)
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CHICAGO-LATROBE Jobber Length Drill Bit: #5, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47739)
CHICAGO-LATROBE Jobber Length Drill Bit: #4, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47738)
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CHICAGO-LATROBE Jobber Length Drill Bit: #4, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47738)

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