Check the listing for details. Boron Carbide Nozzle UTBC-5, Bore=5/16", L=1-3/4", threads=3/4". Condition: New. Listed at 81.30 USD. UTBC-5 Short Straight Bore Boron Carbide NozzleSupplied complete with Nozzle Washer Model: UTBC-5Bore: 5/16" (7.94 mm) Length: 1-3/4" (44.45 mm)Entry: 1/2" inlet 3/4" NPSM threads.Cross Reference: CTB-5, B5S2-G-5, When using aluminum oxide abrasive it is recommended that a boron carbide nozzle is used. Boron carbide provides more resistance to wear and a longer working life than tungsten carbide. Used mainly for close up blast cleaning of small parts e.g in sandblasting cabinets, automotive workshops blasting applications. Supplied complete with Nozzle Washer NW-34. These nozzles are fitted with industry standard 3/4" NPSM threads. (Please note these are straight threads not tapered NPT threads) Extra Washers are available on Listing: NW-34 Washers for UT and UTBC Nozzles - 5 Pack and 10 Pack Available in Other Sizes: 1/8" 3/16" 1/4" 3/8" 1/2" For free freight, we reserve the right to choose shipping method. Free freight is only offered by standard ground service whether Fedex/UPS/USPO or other carrier Free Shipping available in Contiguous United States Only.Seller accepts returns with an RGASeller does NOT accept returns after 15 days of purchase date.Returns must be unused, undamaged and in original packing. Track Page Views With Auctiva's FREE Counter