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

The CHICAGO-LATROBE Jobber Length Drill Bit (8 mm, MPN 47890) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, Type Straw/Bronze Cobalt, NAS 907 Type B, with a 135° Split Point and a 0.3150 specification…

SKU 3G-OTH-200176

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

CHICAGO-LATROBE
Manufacturer Part Number
47890
Type
Straw/Bronze 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 47890) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, Type Straw/Bronze Cobalt, NAS 907 Type B, with a 135° Split Point and a 0.3150 specification. 3G Electric interprets customer demand and delivers genuine industrial equipment across 14 departments—and far more—with specialist depth in combustion, pumps and controls as an authorised distributor for brands like Schneider, ABB, Siemens, SKF, Festo, Fluke, Interpump and FBR.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit 47890 used for?

This NAS 907 Type B cobalt jobber-length drill bit is designed for aerospace drilling applications. Its 8 mm diameter and 135° split point reduce walking and improve hole accuracy in hard metals like stainless steel and titanium alloys.

What are the specifications of the CHICAGO-LATROBE 47890 drill bit?

The CHICAGO-LATROBE 47890 is an 8 mm (0.3150 inch) jobber-length drill bit with a 135° split point and straw/bronze cobalt finish. It meets NAS 907 Type B specifications for aerospace use and is manufactured under part number 47890.

Where to buy CHICAGO-LATROBE 47890 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 47890 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. 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-length bit like the CHICAGO-LATROBE 47890 with a 135° split point to prevent wandering on curved surfaces. Ensure the diameter matches your hole requirement and the bit meets NAS 907 Type B specs for material compatibility.

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 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47900)
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CHICAGO-LATROBE Jobber Length Drill Bit: 9 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47900)
CHICAGO-LATROBE Jobber Length Drill Bit: 1 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47820)
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CHICAGO-LATROBE Jobber Length Drill Bit: 1 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47820)
CHICAGO-LATROBE Jobber Length Drill Bit: 4 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47850)
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CHICAGO-LATROBE Jobber Length Drill Bit: 4 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47850)
CHICAGO-LATROBE Jobber Length Drill Bit: 7 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47880)
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CHICAGO-LATROBE Jobber Length Drill Bit: 7 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47880)
CHICAGO-LATROBE Jobber Length Drill Bit: 3 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47840)
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CHICAGO-LATROBE Jobber Length Drill Bit: 3 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47840)
CHICAGO-LATROBE Jobber Length Drill Bit: 5 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47860)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 5 mm, 135° Split Point, Straw/Bronze Cobalt, NAS 907 Type B (MPN 47860)

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