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CHICAGO-LATROBE Jobber Length Drill Bit: 4.8 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: 4.8 mm, 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 47858) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, with a 4.8 mm diameter, 135° split point, and Straw/Bronze Cobalt finish. It is designed for…

SKU 3G-OTH-200160

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 4.8 mm, 135° Split Point
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
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Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
47858
Type
Straw/Bronze Cobalt
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 (MPN 47858) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, with a 4.8 mm diameter, 135° split point, and Straw/Bronze Cobalt finish. It is designed for precision drilling in demanding aerospace applications, with a decimal equivalent of 0.1890 inches.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 47858 used for?

This 4.8 mm cobalt drill bit with a 135° split point is designed for aerospace applications, drilling hard metals like stainless steel and titanium. It meets NAS specifications for precision holemaking in aircraft assembly and maintenance.

What are the specifications of the CHICAGO-LATROBE 47858 drill bit?

The CHICAGO-LATROBE 47858 is a jobber length drill bit with a 4.8 mm diameter, 135° split point, and straw/bronze cobalt finish. It has a decimal equivalent of 0.1890 inches and is NAS-spec compliant for aerospace use.

Where to buy CHICAGO-LATROBE 47858 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 47858 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 cobalt jobber bit like the CHICAGO-LATROBE 47858 with a 135° split point to reduce walking and heat. Match the diameter to your fastener or hole tolerance. Use proper cutting fluid and peck drilling for deep holes.

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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