CHICAGO-LATROBE Jobber Length Drill Bit: #21, 135° Split Point, TiAlN-Coated HSS
The CHICAGO-LATROBE Jobber Length Drill Bit #21 is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point, NAS 907 Type B compliance, and…
SKU 3G-OTH-190564
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit #21 is a NAS-Spec High-Speed Steel jobber-length drill bit for aerospace, featuring a TiAlN-coated HSS construction with a 135° split point, NAS 907 Type B compliance, and a 0.1590-inch diameter (MPN 42691). 3G Electric interprets this demand and sources the genuine OEM product, supporting your procurement across 14 industrial departments with specialist depth in combustion, pumps, and controls.
Frequently Asked Questions
What is the CHICAGO-LATROBE #21 jobber length drill bit used for?
This TiAlN-coated HSS drill bit is designed for aerospace applications per NAS 907 Type B. Its 135° split point reduces walking and thrust, making it suitable for drilling hard metals and composites in aircraft manufacturing and maintenance.
What are the specifications of the CHICAGO-LATROBE 42691 drill bit?
The CHICAGO-LATROBE 42691 is a #21 jobber length drill bit with a 0.1590-inch diameter, 135° split point, and TiAlN-coated high-speed steel. It meets NAS 907 Type B standards for aerospace drilling tasks.
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 location. Contact us for availability and lead times.
How to select the right jobber length drill bit for aerospace?
For aerospace, choose a bit meeting NAS 907 Type B, like the CHICAGO-LATROBE 42691. The TiAlN coating extends tool life in hard materials, and the 135° split point improves hole accuracy. Match diameter to your fastener or hole requirement.
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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.
