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CHICAGO-LATROBE Jobber Length Drill Bit: 8 mm, 135° Split Point, TiN-Coated 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 mm, 135° Split Point, TiN-Coated Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit (8 mm, MPN 47997) 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-200175

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 8 mm, 135° Split Point, TiN-Coated Cobalt
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
47997
Type
TiN-Coated Cobalt, NAS 907 Type B
Split Point
135°
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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit (8 mm, MPN 47997) 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 diameter of 0.3150 inches, this bit is designed for precision drilling in demanding aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 47997 used for?

This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 8 mm diameter, 135° split point, and TiN-coated cobalt construction enable precise drilling in hard metals like stainless steel and titanium alloys.

What are the specifications of the CHICAGO-LATROBE 47997 drill bit?

The CHICAGO-LATROBE 47997 is a jobber length drill bit with an 8 mm diameter (0.3150 inches), 135° split point, and TiN-coated cobalt material. It meets NAS 907 Type B specifications and is manufactured under part number 47997.

Where to buy CHICAGO-LATROBE 47997 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 47997 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 bit that meets NAS 907 Type B specs, like the CHICAGO-LATROBE 47997. The 135° split point reduces walking, and TiN-coated cobalt provides heat resistance. Match diameter to your hole size and material hardness.

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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