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Worldwide distributor of NSN parts and consumables located in the USA.

Rock Drill Bit

Model / MPN: 51248342 | NSN: 3820-01-542-7057
ITAR Registered seal

A detachable, end cutting drilling tool with an internal thread or tapered socket at one end for attaching a rock drill rod. The opposite end is designed with two or more cutting edges for drilling into rock formation by impact and a slight rotary motion. It contains a hole or holes in the cutting for the purpose of conducting air or water to clear the hole being drilled. It is used with powered drifter drills, sinker drills, and the like.

Product Details
NATO Stock Number
3820-01-542-7057
Sold in multiples of
1 EA
DEMIL
NO
End Application
4310-01-498-8886; compressor, air, 260 cfm, with pneumatic tools
Cutting End Type
Cross
Part Name Assigned By Controlling Agency
Star bit, 2 inch
Material
Carbide
Solicitations
Solicitation Description Qty UOM Close Date
SPE7L215T7735 Bit, Rock Drill 160 EA 07/20/2015
SPE7L216T0617 Bit, Rock Drill 64 EA 11/09/2015
SPE8EE18T1417 Bit, Rock Drill 65 EA 03/16/2018
SPE8EE18Q0388 Bit, Rock Drill 65 EA 07/31/2018

Pricing and Availability

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51248342 Cross Reference
  • HTI-200H
  • HTI-200H