1681AP7/16X20 46204952 UNF 机械成型丝锥 7/16 英寸 x 20

Thread forming tap with lube grooves Applix MXR with a 2-3xP semi-bottoming lead, for Unified National Fine thread UNF 7/16" with 20 TPI and 2B class of fit, dimensions according to DIN/ANSI standard with 0.3230" shank and 0.2420" square drive, powder metallurgical HSS with TiN-Top coating for 3xD through or blind hole threading in steel and cast steel, stainless steel, wrought or cast aluminium and copper or copper alloys and titanium or titanium alloys.（带有润滑槽的螺纹成型丝锥 Applix MXR，具有 2-3xP 半底孔前导角，适用于统一标准细牙螺纹 UNF 7/16"，20 TPI 和 2B 配合等级，尺寸符合 DIN/ANSI 标准，带有 0.3230" 柄部和 0.2420" 方头，粉末冶金高速钢材质，带有 TiN-Top 涂层，适用于在钢和铸钢、不锈钢、锻造或铸造铝以及铜或铜合金和钛或钛合金中进行 3xD 通孔或盲孔螺纹加工。）