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CHICAGO-LATROBE Jobber Length Drill Bit: #74, 135° Point, TiN-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: #74, 135° Point, TiN-Coated HSS

The CHICAGO-LATROBE Jobber Length Drill Bit #74 (MPN 41744) is a NAS-spec high-speed steel drill bit for aerospace, featuring a TiN-coated HSS construction, NAS 907 Type B design, and a 135° point. With a diameter of…

SKU 3G-OTH-190299

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #74, 135° Point, TiN-Coated HSS
Category
NAS-Spec High-Speed Steel 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
41744
Type
TiN-Coated HSS, NAS 907 Type B
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 #74 (MPN 41744) is a NAS-spec high-speed steel drill bit for aerospace, featuring a TiN-coated HSS construction, NAS 907 Type B design, and a 135° point. With a diameter of 0.0225 inches, it is engineered for precision drilling in demanding applications.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit #74 used for?

This TiN-coated HSS drill bit is designed for precision hole drilling in aerospace applications, meeting NAS 907 Type B specifications. Its 135° split point reduces walking and thrust, making it suitable for hard metals and alloys in aircraft maintenance and manufacturing.

What are the specifications of the CHICAGO-LATROBE #74 drill bit?

The CHICAGO-LATROBE 41744 is a #74 jobber length drill bit with a 0.0225 inch diameter, 135° point angle, and TiN-coated high-speed steel construction. It conforms to NAS 907 Type B standards for aerospace drilling, offering wear resistance and extended tool life.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits like the 41744 to global customers. We handle full logistics, customs clearance, and delivery to your location worldwide. Contact us for pricing and lead time on this NAS-spec aerospace tool.

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

For aerospace work, choose a drill bit that meets NAS 907 standards, like the CHICAGO-LATROBE #74 with TiN coating. The 135° split point helps prevent wandering on curved surfaces. Match the diameter precisely to your fastener or hole tolerance requirements.

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: #77, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41747)
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CHICAGO-LATROBE Jobber Length Drill Bit: #77, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41747)
CHICAGO-LATROBE Jobber Length Drill Bit: #72, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41742)
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CHICAGO-LATROBE Jobber Length Drill Bit: #72, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41742)
TiN-coated high-speed steel jobber-length drill bit with a 135° point angle, conforming to NAS 907 Type B. Designed for precision drilling in aerospace applications where reduced walking and extended tool life are required on high-strength alloys
CHICAGO-LATROBE
TiN-coated high-speed steel jobber-length drill bit with a 135° point angle, conforming to NAS 907 Type B. Designed for precision drilling in aerospace applications where reduced walking and extended tool life are required on high-strength alloys
CHICAGO-LATROBE Jobber Length Drill Bit: #73, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41743)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #73, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41743)
CHICAGO-LATROBE Jobber Length Drill Bit: #79, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41749)
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CHICAGO-LATROBE Jobber Length Drill Bit: #79, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41749)
CHICAGO-LATROBE Jobber Length Drill Bit: #75, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41745)
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CHICAGO-LATROBE Jobber Length Drill Bit: #75, 135° Point, TiN-Coated HSS, NAS 907 Type B (MPN 41745)

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