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CHICAGO-LATROBE Jobber Length Drill Bit: #55, 135° Split Point, Black Oxide HSS - NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace

CHICAGO-LATROBE Jobber Length Drill Bit: #55, 135° Split Point, Black Oxide HSS

The CHICAGO-LATROBE Jobber Length Drill Bit #55 is a NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Black Oxide HSS finish, conforming to NAS 907 Type B. With a…

SKU 3G-OTH-189921

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #55, 135° Split Point, Black Oxide HSS
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
Available to Order
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Technical specs
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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
44725
Type
Black Oxide HSS, 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 #55 is a NAS-Spec High-Speed Steel Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Black Oxide HSS finish, conforming to NAS 907 Type B. With a diameter of 0.0520 inches (MPN 44725), this bit is designed for precision drilling in aerospace applications.

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 #55 Jobber Length Drill Bit used for?

This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its #55 wire-gauge diameter (0.0520 in) and 135° split point enable precise hole drilling in high-strength alloys and sheet metals without walking, making it suitable for aircraft assembly and maintenance.

What are the specifications of the CHICAGO-LATROBE 44725 drill bit?

The CHICAGO-LATROBE 44725 is a #55 wire-gauge jobber length drill bit with a 0.0520 in diameter, 135° split point, and black oxide finish on high-speed steel. It meets NAS 907 Type B standards for aerospace drilling, offering durability and chip evacuation in demanding materials.

Where to buy CHICAGO-LATROBE 44725 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 44725 drill bit to global customers. As an industrial distributor, we handle full logistics, customs clearance, and delivery worldwide. Contact us to source this NAS-spec bit for your aerospace operations.

How to select the correct CHICAGO-LATROBE drill bit for aerospace work?

Select a bit that matches the required hole diameter and material. For aerospace alloys, choose a 135° split point to reduce thrust and prevent wandering. Ensure the bit meets NAS 907 Type B specs for compliance. The CHICAGO-LATROBE #55 bit is suitable for precision holes in sheet metal and composites.

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 high-speed steel 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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Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: #54, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 44724)
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