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GB/T 846-85
十字槽沉头自攻螺钉
Cross recessed countersunk head tapping screws
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GB/T 847-85
十字槽半沉头自攻螺钉
Cross recessed raised countersunk head tapping screws
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Din 95
开槽半沉头木螺钉
Slotted raised countersunk(oval) head wood screws
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Din 96
开槽半圆头木螺钉
Slotted round head wood screws
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Din 97
开槽沉头木螺钉
Slotted countersunk(flat) head wood screws
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IFI 538-1982
六角头粗杆法兰螺栓
Hexagon head flange bolts
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IFI 541-1982
六角头粗杆半牙螺栓
Hexagon head bolts
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GB /T 878-2007
开槽无头螺钉
Slotting headless screws
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GB /T 70.3-2008
内六角沉头螺钉
Hexagon socket countersunk head screws
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DIN 933-1987
六角头螺栓
Hexagon head bolts
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