CHICAGO-LATROBE Jobber Length Drill Bit: 3.7 mm, 135° Split Point
The CHICAGO-LATROBE Jobber Length Drill Bit (3.7 mm, MPN 47847) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Straw/Bronze Cobalt construction. With a specified…
SKU 3G-OTH-200416
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Product Description
The CHICAGO-LATROBE Jobber Length Drill Bit (3.7 mm, MPN 47847) is a NAS-Spec Cobalt Jobber-Length Drill Bit for Aerospace, featuring a 135° Split Point and Straw/Bronze Cobalt construction. With a specified attribute of 0.1457, this tool is designed for precision drilling in demanding aerospace applications.
Frequently Asked Questions
What is the CHICAGO-LATROBE Jobber Length Drill Bit 47847 used for?
This 3.7 mm cobalt drill bit is designed for aerospace applications requiring NAS-spec precision. Its 135° split point reduces walking and drilling force on hard metals like stainless steel and titanium. The straw/bronze finish adds heat resistance and lubricity for extended tool life in demanding industrial environments.
What are the specifications of the CHICAGO-LATROBE 47847 drill bit?
The CHICAGO-LATROBE 47847 is a 3.7 mm (0.1457 inch) jobber-length drill bit with a 135° split point and straw/bronze cobalt construction. It meets NAS-spec standards for aerospace drilling. The cobalt alloy provides hardness for cutting tough materials, while the split point geometry enhances accuracy without a center punch.
Where to buy CHICAGO-LATROBE 47847 drill bits worldwide?
3G Electric supplies the CHICAGO-LATROBE 47847 drill bit to customers 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; we source and deliver this NAS-spec cobalt bit to any international destination.
How to select the right CHICAGO-LATROBE drill bit for aerospace work?
For aerospace drilling, choose a cobalt jobber-length bit like the CHICAGO-LATROBE 47847 with a 135° split point to prevent walking on hard alloys. Match the diameter (3.7 mm) to your fastener or hole requirement. The straw/bronze finish indicates cobalt content for heat resistance. Always verify NAS-spec compliance for critical airframe applications.
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3G Electric supplies CHICAGO-LATROBE nas-spec cobalt 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.















