Threading Machine Die Head Maximum Compatible Pipe Size 2 in Minimum Compatible Pipe Size 1/2 in Head Opening Type Self-Opening Thread Type NPT Compatible Thread Direction Right Hand Compatible Dies Universal Compatible Threader Type Threading Machine Compatible Threader Series 31XM65 Through-the-Head Oiling Yes Application Pipe Compatible Grainger Part Number 31XM65 Die Head Type Universal Die Material Cast Aluminum Features Self Opening For Use With 31XM65