We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

CHICAGO-LATROBE Jobber Length Drill Bit: Letter B, 135° Split Point - 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: Letter B, 135° Split Point

The CHICAGO-LATROBE Jobber Length Drill Bit, Letter B (MPN 42772), is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiAlN-coated HSS construction with a 135° split point and a…

SKU 3G-OTH-190335

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: Letter B, 135° Split Point
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
42772
Type
TiAlN-Coated HSS
Split Point
135°
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The CHICAGO-LATROBE Jobber Length Drill Bit, Letter B (MPN 42772), is a NAS-Spec high-speed steel drill bit for aerospace applications. It features a TiAlN-coated HSS construction with a 135° split point and a 0.2380-inch diameter. 3G Electric interprets customer demand and delivers this genuine industrial tool across 14 departments, with specialist expertise in combustion, pumps, and controls.

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 42772 used for?

This TiAlN-coated HSS drill bit is designed for aerospace and NAS-spec applications, drilling precise holes in high-strength alloys. The 135° split point reduces walking and thrust, making it suitable for CNC and manual operations on materials up to 850 °C hardness.

What are the specifications of the CHICAGO-LATROBE 42772 drill bit?

The CHICAGO-LATROBE 42772 is a jobber-length drill bit with a Letter B diameter of 0.2380 inches, 135° split point, and TiAlN coating on HSS substrate. It meets NAS specifications for aerospace drilling, offering extended tool life in stainless steel and titanium.

Where to buy CHICAGO-LATROBE 42772 drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE 42772 drill bits worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this NAS-spec aerospace tool.

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

For aerospace alloys, choose a TiAlN-coated HSS bit like the CHICAGO-LATROBE 42772 with a 135° split point to reduce thrust and heat. Match the diameter (0.2380 inches for Letter B) to your hole tolerance. Use rigid setups and coolant for optimal performance in titanium or Inconel.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: Letter C, 135° Split Point, TiAlN-Coated HSS (MPN 42773). Key specifications — attr1225567: 0.2420.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter C, 135° Split Point, TiAlN-Coated HSS (MPN 42773). Key specifications — attr1225567: 0.2420.
CHICAGO-LATROBE Jobber Length Drill Bit: Letter I, 135° Split Point, TiAlN-Coated HSS (MPN 42779). Key specifications — attr1225567: 0.2720.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter I, 135° Split Point, TiAlN-Coated HSS (MPN 42779). Key specifications — attr1225567: 0.2720.
CHICAGO-LATROBE Jobber Length Drill Bit: Letter L, 135° Split Point, TiAlN-Coated HSS (MPN 42782). Key specifications — attr1225567: 0.2900.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter L, 135° Split Point, TiAlN-Coated HSS (MPN 42782). Key specifications — attr1225567: 0.2900.
CHICAGO-LATROBE Jobber Length Drill Bit: Letter H, 135° Split Point, TiAlN-Coated HSS (MPN 42778). Key specifications — attr1225567: 0.2660.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter H, 135° Split Point, TiAlN-Coated HSS (MPN 42778). Key specifications — attr1225567: 0.2660.
CHICAGO-LATROBE Jobber Length Drill Bit: Letter M, 135° Split Point, TiAlN-Coated HSS (MPN 42783). Key specifications — attr1225567: 0.2950.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter M, 135° Split Point, TiAlN-Coated HSS (MPN 42783). Key specifications — attr1225567: 0.2950.
CHICAGO-LATROBE Jobber Length Drill Bit: Letter S, 135° Split Point, TiAlN-Coated HSS (MPN 42789). Key specifications — attr1225567: 0.3480.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter S, 135° Split Point, TiAlN-Coated HSS (MPN 42789). Key specifications — attr1225567: 0.3480.

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Jobber Length Drill Bit: Letter U, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45791). Key specifications — attr1225567: 0.3680.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter U, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45791). Key specifications — attr1225567: 0.3680.
CHICAGO-LATROBE Jobber Length Drill Bit: #10, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42680). Key specifications — attr1225567: 0.1935.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #10, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42680). Key specifications — attr1225567: 0.1935.
CHICAGO-LATROBE Jobber Length Drill Bit: 2.9 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45821). Key specifications — attr1225567: 0.1142.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 2.9 mm, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45821). Key specifications — attr1225567: 0.1142.
CHICAGO-LATROBE Jobber Length Drill Bit: #28, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43698). Key specifications — attr1225567: 0.1405.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #28, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43698). Key specifications — attr1225567: 0.1405.
CHICAGO-LATROBE Jobber Length Drill Bit: #4, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45674). Key specifications — attr1225567: 0.2090.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #4, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45674). Key specifications — attr1225567: 0.2090.
CHICAGO-LATROBE Jobber Length Drill Bit: #20, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42690). Key specifications — attr1225567: 0.1610.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #20, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42690). Key specifications — attr1225567: 0.1610.
CHICAGO-LATROBE Jobber Length Drill Bit: #35, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43705). Key specifications — attr1225567: 0.1100.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #35, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43705). Key specifications — attr1225567: 0.1100.
CHICAGO-LATROBE Jobber Length Drill Bit: #7, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45677). Key specifications — attr1225567: 0.2010.
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #7, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45677). Key specifications — attr1225567: 0.2010.