We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

CHICAGO-LATROBE Jobber Length Drill Bit: #31, 135° Split Point, TiAlN-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: #31, 135° Split Point, TiAlN-Coated HSS

The CHICAGO-LATROBE Jobber Length Drill Bit #31 is a NAS-Spec High-Speed Steel drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. It has a diameter of…

SKU 3G-OTH-190099

Brand
CHICAGO-LATROBE
Item
Jobber Length Drill Bit: #31, 135° Split Point, TiAlN-Coated HSS
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 engineerMessage via Telegram
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

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

CHICAGO-LATROBE
Manufacturer Part Number
42701
Type
TiAlN-Coated HSS, NAS 907 Type B
Split Point
135°

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 #31 is a NAS-Spec High-Speed Steel drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point per NAS 907 Type B. It has a diameter of 0.1200 inches (MPN 42701). 3G Electric interprets demand and delivers this genuine industrial tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the CHICAGO-LATROBE Jobber Length Drill Bit #31 used for?

This drill bit is designed for aerospace and precision manufacturing applications requiring NAS 907 Type B compliance. Its 135° split point reduces walking on curved surfaces, while the TiAlN coating extends tool life in high-temperature alloys. 3G Electric supplies this bit for critical drilling operations.

What are the specifications of the CHICAGO-LATROBE 42701 drill bit?

The CHICAGO-LATROBE 42701 is a #31 jobber length drill bit with a 0.1200-inch diameter, 135° split point, and TiAlN-coated high-speed steel construction. It meets NAS 907 Type B standards for aerospace use. 3G Electric sources this bit for global delivery.

Where to buy CHICAGO-LATROBE drill bits worldwide?

3G Electric supplies CHICAGO-LATROBE drill bits worldwide, handling full logistics and customs clearance. As a global industrial distributor since 1990, we source and deliver the 42701 and other NAS-spec bits to aerospace facilities. Contact us for availability and lead times.

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

Select based on material hardness and hole tolerance. The 42701's TiAlN coating suits stainless steel and titanium, while the 135° split point aids self-centering. For NAS 907 compliance, verify diameter (0.1200 inch) and point geometry. 3G Electric provides sourcing support for aerospace-grade tooling.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
CHICAGO-LATROBE Jobber Length Drill Bit: #33, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42703)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #33, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42703)
CHICAGO-LATROBE Jobber Length Drill Bit: #32, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42702)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #32, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42702)
CHICAGO-LATROBE Jobber Length Drill Bit: #34, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42704)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #34, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42704)
CHICAGO-LATROBE Jobber Length Drill Bit: #30, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42700)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #30, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42700)
CHICAGO-LATROBE Jobber Length Drill Bit: #21, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42691)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #21, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42691)
CHICAGO-LATROBE Jobber Length Drill Bit: #22, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42692)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #22, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42692)

More from CHICAGO-LATROBE

View all CHICAGO-LATROBE parts
CHICAGO-LATROBE Jobber Length Drill Bit: Letter P, 135° Split Point, TiAlN-Coated HSS (MPN 42786)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter P, 135° Split Point, TiAlN-Coated HSS (MPN 42786)
CHICAGO-LATROBE Jobber Length Drill Bit: Letter Q, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45787)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: Letter Q, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45787)
CHICAGO-LATROBE Jobber Length Drill Bit: #75, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 44745)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #75, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 44745)
CHICAGO-LATROBE Jobber Length Drill Bit: 9/64", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45609)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 9/64", 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45609)
CHICAGO-LATROBE Jobber Length Drill Bit: #39, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42709)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #39, 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42709)
CHICAGO-LATROBE Jobber Length Drill Bit: #23, 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41693)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #23, 135° Split Point, TiN-Coated HSS, NAS 907 Type B (MPN 41693)
CHICAGO-LATROBE Jobber Length Drill Bit: #6, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43676)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #6, 135° Split Point, TiCN-Coated HSS, NAS 907 Type B (MPN 43676)
CHICAGO-LATROBE Jobber Length Drill Bit: #17, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45687)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: #17, 135° Split Point, Black Oxide HSS, NAS 907 Type B (MPN 45687)