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CHICAGO-LATROBE Jobber Length Drill Bit: #51, 135° Split Point, TiCN-Coated 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: #51, 135° Split Point, TiCN-Coated HSS

The CHICAGO-LATROBE Jobber Length Drill Bit #51 is a NAS-Spec high-speed steel drill bit for aerospace applications, featuring a TiCN-coated HSS construction with a 135° split point per NAS 907 Type B. With a…

SKU 3G-OTH-190263

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #51, 135° Split Point, TiCN-Coated HSS
Category
NAS-Spec High-Speed Steel 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
43721
Type
TiCN-Coated HSS, NAS 907 Type B
Split Point
135°

Technical Documents

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CHICAGO-LATROBE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit #51 is a NAS-Spec high-speed steel drill bit for aerospace applications, featuring a TiCN-coated HSS construction with a 135° split point per NAS 907 Type B. With a diameter of 0.0670 inches (MPN 43721), it is designed for precision drilling in demanding industrial environments.

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 Jobber Length Drill Bit #51 used for?

This drill bit is designed for aerospace and precision industrial drilling applications. Its 135° split point reduces walking and requires less thrust, while the TiCN coating extends tool life on abrasive materials. It meets NAS 907 Type B specifications for high-reliability fastening holes.

What are the specifications of the CHICAGO-LATROBE 43721 drill bit?

The CHICAGO-LATROBE 43721 is a #51 jobber length drill bit with a 0.0670-inch diameter, 135° split point, and TiCN-coated high-speed steel. It conforms to NAS 907 Type B standards for aerospace use. The manufacturer part number is 43721.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on the 43721 or other NAS-spec tooling.

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

For aerospace applications, choose a bit that meets NAS 907 Type B standards, like the CHICAGO-LATROBE 43721. The 135° split point and TiCN coating improve performance on tough alloys. Match the diameter to your fastener hole tolerance and ensure the shank fits your chuck.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: #50, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43720)
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CHICAGO-LATROBE Jobber Length Drill Bit: #50, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43720)
CHICAGO-LATROBE Jobber Length Drill Bit: #52, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43722)
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CHICAGO-LATROBE Jobber Length Drill Bit: #52, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43722)
CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43719)
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CHICAGO-LATROBE Jobber Length Drill Bit: #49, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43719)
CHICAGO-LATROBE Jobber Length Drill Bit: #43, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43713)
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CHICAGO-LATROBE Jobber Length Drill Bit: #43, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43713)
CHICAGO-LATROBE Jobber Length Drill Bit: #41, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43711)
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CHICAGO-LATROBE Jobber Length Drill Bit: #41, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43711)
CHICAGO-LATROBE Jobber Length Drill Bit: #13, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43683)
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CHICAGO-LATROBE Jobber Length Drill Bit: #13, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43683)

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