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CHICAGO-LATROBE Jobber Length Drill Bit: 4.7 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: 4.7 mm, 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit (MPN 47857) is a 4.7 mm NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Straw/Bronze Cobalt finish. With a key specification of…

SKU 3G-OTH-200341

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 4.7 mm, 135° Split Point
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
47857
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 47857) is a 4.7 mm NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Straw/Bronze Cobalt finish. With a key specification of 0.1850, this drill bit is designed for precision drilling in demanding aerospace applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE 47857 drill bit used for?

The CHICAGO-LATROBE 47857 is a NAS-spec cobalt jobber-length drill bit designed for aerospace applications. Its 4.7 mm diameter and 135° split point enable precise drilling in hard metals like titanium and stainless steel, meeting stringent aerospace standards.

What are the specifications of the CHICAGO-LATROBE 47857 drill bit?

The CHICAGO-LATROBE 47857 is a straw/bronze cobalt jobber-length drill bit with a 4.7 mm diameter, 135° split point, and MPN 47857. It is NAS-spec compliant for aerospace use, offering durability in high-strength materials.

Where to buy CHICAGO-LATROBE 47857 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 47857 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 NAS-spec cobalt bit like the CHICAGO-LATROBE 47857 with a 135° split point to reduce walking and heat. Match the diameter (4.7 mm) to your hole size and ensure the bit is suitable for hard alloys such as titanium.

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
This 4.4 mm jobber-length drill bit is made from cobalt steel with a straw/bronze finish, featuring a 135° split point for reduced walking and precise starting without center punching. It meets NAS specifications for aerospace applications, suitable for drilling hard materials such as titanium and stainless steel in precision holemaking tasks
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This 4.4 mm jobber-length drill bit is made from cobalt steel with a straw/bronze finish, featuring a 135° split point for reduced walking and precise starting without center punching. It meets NAS specifications for aerospace applications, suitable for drilling hard materials such as titanium and stainless steel in precision holemaking tasks
CHICAGO-LATROBE Jobber Length Drill Bit: 4.6 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47856)
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CHICAGO-LATROBE Jobber Length Drill Bit: 4.6 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47856)
This jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It has a 4.5 mm diameter (0.1772 in) and meets NAS-spec standards for aerospace applications. Suitable for drilling hard metals such as stainless steel and titanium in aircraft maintenance and manufacturing
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This jobber-length drill bit is made from cobalt steel with a straw/bronze finish and a 135° split point. It has a 4.5 mm diameter (0.1772 in) and meets NAS-spec standards for aerospace applications. Suitable for drilling hard metals such as stainless steel and titanium in aircraft maintenance and manufacturing
CHICAGO-LATROBE Jobber Length Drill Bit: 4.3 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47853)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 4.3 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47853)
Cobalt jobber-length drill bit with a 135° split point and straw/bronze finish. Designed for precision holemaking in hard metals such as stainless steel and titanium. Meets NAS specifications for aerospace applications. Diameter: 4.8 mm (0.1890 in)
CHICAGO-LATROBE
Cobalt jobber-length drill bit with a 135° split point and straw/bronze finish. Designed for precision holemaking in hard metals such as stainless steel and titanium. Meets NAS specifications for aerospace applications. Diameter: 4.8 mm (0.1890 in)
CHICAGO-LATROBE Jobber Length Drill Bit: 4.9 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47859)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 4.9 mm, 135° Split Point, Straw/Bronze Cobalt (MPN 47859)

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