M6-1.0 X 40 FLAT HD SOCKET DIN 7991 S/S FULL THREAD
M6-1.0 X 40 FLAT SOC D7991 FULL THRD HASTELLOY C
M6-1.0 X 40 FLAT HD SOCKET DIN 7991 S/S
M6-1.0 X 40 FLAT HD SOC DIN7991 316 S/S
M6-1.0 X 40 FLAT SOC D7991 HASTELLOY C276
M6-1.0 X 40 FLAT HD SOCKET D-7991 10.9 ZINC