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DIN 971-1-1987
六角细牙螺母
Hexagon nuts with metric fine pitch thread
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DIN 971-2-1987
六角细牙螺母
Hexagon nuts with metric fine pitch thread
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DIN 980-1987
金属锁紧螺母
Prevailing torque type all-metal hexagon nuts
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DIN 982-1987
非金属嵌件锁紧加厚螺母
Prevailing torque type hexagon nuts(with non-metallic insert)
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DIN 985-1987
非金属嵌件锁紧螺母
Prevailing torque type hexagon nuts(with non-metallic insert)
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DIN 6923-1983
六角法兰螺母
Hexagon nuts with flange
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DIN 6924-1987
非金属嵌件六角锁紧厚螺母
Prevailing torque type hexagon thick nuts(with non-metallic insert
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DIN 6925-1987
金属六角锁紧螺母
Prevailing torque type all-metal hexagon nuts
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DIN 6926-1983
非金属嵌件锁紧六角法兰螺母
Hexagon nuts with flange(with non-metallic insert)
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DIN 6927-1983
金属锁紧六角法兰螺母
Prevailing torque type all-metal hexagon nuts with flange
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