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CHICAGO-LATROBE NAS-Spec High-Speed Steel Jobber-Length Drill Bit, 21/64" - 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 NAS-Spec High-Speed Steel Jobber-Length Drill Bit, 21/64"

The CHICAGO-LATROBE Jobber Length Drill Bit (21/64", MPN 42621) is a NAS-Spec high-speed steel drill bit for aerospace applications, featuring a 135° split point and TiAlN coating. With a diameter of 0.3281 inches…

SKU 3G-OTH-190271

Brand
CHICAGO-LATROBE
Item
NAS-Spec High-Speed Steel Jobber-Length Drill Bit, 21/64"
Category
NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
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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
42621
Type
TiAlN-Coated 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 (21/64", MPN 42621) is a NAS-Spec high-speed steel drill bit for aerospace applications, featuring a 135° split point and TiAlN coating. With a diameter of 0.3281 inches, it meets NAS 907 Type B requirements 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 42621 used for?

This drill bit is designed for aerospace applications requiring NAS 907 Type B compliance. Its 135° split point and TiAlN coating enable precise drilling in high-strength alloys and stainless steels, reducing thrust and improving chip evacuation.

What are the specifications of the CHICAGO-LATROBE 42621 drill bit?

The CHICAGO-LATROBE 42621 is a jobber length drill bit with a 21/64" diameter (0.3281 inches), 135° split point, TiAlN-coated HSS, and meets NAS 907 Type B standards. It is designed for aerospace-grade materials.

Where to buy CHICAGO-LATROBE 42621 drill bits worldwide?

3G Electric supplies the CHICAGO-LATROBE 42621 drill bit worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

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

For aerospace drilling, choose a bit meeting NAS 907 Type B, like the CHICAGO-LATROBE 42621. The 135° split point reduces walking, and TiAlN coating extends tool life in tough alloys. Match diameter to your hole tolerance and material hardness.

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: 31/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42631)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 31/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42631)
CHICAGO-LATROBE Jobber Length Drill Bit: 23/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42623)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 23/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42623)
CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42620)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 5/16", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42620)
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42615)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 15/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42615)
CHICAGO-LATROBE Jobber Length Drill Bit: 5/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42605)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 5/64", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42605)
CHICAGO-LATROBE Jobber Length Drill Bit: 11/32", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42622)
CHICAGO-LATROBE
CHICAGO-LATROBE Jobber Length Drill Bit: 11/32", 135° Split Point, TiAlN-Coated HSS, NAS 907 Type B (MPN 42622)

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