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CHICAGO-LATROBE Jobber Length Drill Bit: 25/64", 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: 25/64", 135° Split Point, TiN-Coated Cobalt

The CHICAGO-LATROBE Jobber Length Drill Bit (25/64", MPN 54070) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiN-Coated Cobalt construction with a 135° Split Point per NAS 907 Type J. With…

SKU 3G-OTH-200024

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: 25/64", 135° Split Point, TiN-Coated Cobalt
Category
NAS-Spec Cobalt Jobber-Length Drill Bits for Aerospace
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
54070
Type
TiN-Coated Cobalt, NAS 907 Type J
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 (25/64", MPN 54070) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a TiN-Coated Cobalt construction with a 135° Split Point per NAS 907 Type J. With a diameter of 0.3906 inches, this bit is designed for demanding aerospace applications, backed by 3G Electric's specialist sourcing across 14 industrial departments.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the CHICAGO-LATROBE 54070 drill bit used for?

This TiN-coated cobalt jobber-length drill bit is designed for aerospace applications per NAS 907 Type J. It drills hard materials like stainless steel and titanium, where the 135° split point reduces thrust and prevents walking without a center punch.

What are the specifications of the CHICAGO-LATROBE 54070?

The CHICAGO-LATROBE 54070 is a 25/64" (0.3906 inch) jobber-length drill bit with a 135° split point. It features TiN-coated cobalt construction and meets NAS 907 Type J specifications for aerospace drilling. The manufacturer part number is 54070.

Where to buy CHICAGO-LATROBE 54070 worldwide?

3G Electric supplies the CHICAGO-LATROBE 54070 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this NAS-spec aerospace drill bit.

How to select the right jobber-length drill bit for aerospace?

For aerospace work, choose a bit meeting NAS 907 Type J, like the CHICAGO-LATROBE 54070. Cobalt construction handles heat, while TiN coating extends tool life. The 135° split point is essential for drilling hard alloys without a pilot hole. Match diameter to your fastener or hole spec.

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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