Lighthouse Tools® - Round HSS Die M14X1 LH + Thread Alignment Toolfrom $24.99 22pcs Greenfield Acorn Threading Dies Multiple Sizes New in Box - High Qualityfrom $46.50 Round Threading Die 1/4-20 x 1in Dia, Adjustable (500)from $4.50 New Muzzle Threading Die 5/8-24 Gunsmithing (5/8x24) US Sellerfrom $11.99 #10-32 13/16 OD HSS Round Adjustable Diefrom $12.31 1/2-28 Threading Round High Speed Steel Die 1" Outside Diameterfrom $17.63 7/16-20 Threading Round High Speed Steel Die 1" Outside Diameterfrom $17.11 Die 1" 8 NC 2.5" OD BTRFLDfrom $12.00 ROUND THREADING DIE 2-1/2IN 8 HSS WITH HANDLEfrom $55.00 Round Threading Die 11/16-20, 2 in Dia (541)from $9.50 1/4-20 13/16 OD HSS Round Adjustable Diefrom $12.31 Morse 1/2 - 20 Split Round Adjustable Die (#2001-SRVID)from $25.00 3 Pack Greenfield 2"Od 1/2-20 NF LH Round Diefrom $10.00 6-36 Threading Round High Speed Steel Die 13/16" Outside Diameterfrom $15.55 #6-48 X 13/16 OD HSS Round Adjustable Diefrom $26.24 1/2-28 X 1 OD HSS Round Adjustable Diefrom $29.18 #12-28 13/16 OD HSS Round Adjustable Diefrom $12.31 5-40 Threading Round High Speed Steel Die 13/16" Outside Diameterfrom $14.91 Union Butterfield 1301 Round Threading Die Stocks, D2from $29.99 GTD 2-1/4"-16 Round Split Threading Die USAfrom $34.99 Mate Round Punch & Die Set .177 + .012 Slug Freefrom $29.95