GOST 6227-1980
Метчики для конической резьбы. Технические условия
锥螺纹丝锥 规格
GB/T 10878-2011
气瓶锥螺纹丝锥
Special taps of taper threads for gas cylinders
2011-12-30
HB 7545-1997
55°锥管螺纹用丝锥技术条件
FED GGG-T-80A
TAPS, THREAD CUTTING, CARBON STEEL HAND, CUT THREAD, AMERICAN STANDARD TAPER PIPE THREADS (NO S/S DOCUMENT)
丝锥 螺纹切割 碳钢手工 切割螺纹 美国标准锥管螺纹（无S/S文件）
1970-11-24
HB 7544-1997
55°锥管螺纹用丝锥 Rc1 1/2 Rc2 P=2.309
HB 7543-1997
55°锥管螺纹用丝锥 Rc 1/16￣Rc1 1/4 P=0.907￣2.309