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ISO 1482 vs GB/T 5283

Slotted Countersunk Head Tapping Screw

Interchangeable
Yes. Every dimension is the same, in all 9 sizes. Order either.
Which to order
The number on your drawing. We make both: ISO 1482 and GB/T 5283.
GB/T 5283
China's version of ISO 1482, with the same dimensions.
Sizes
ST2.2 to ST9.5 in both.
Slotted Countersunk Head Tapping Screw dimensional drawing

Size by size

mm
SizePThread PitchaThread RunoutdkHead DiameterdkHead DiameterkNominal Head HeightnSlot WidthnSlot WidthnSlot WidthtSlot DepthtSlot DepthrRadiusyPoint Length — C (ref.)yPoint Length — F (ref.)yPoint Length — R (ref.)
ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283ISO 1482GB/T 5283
ST2.20.8same0.8same3.8same3.5same1.1same0.5same0.7same0.56same0.6same0.4same0.8same2same1.6same––
ST2.91.1same1.1same5.5same5.2same1.7same0.8same1same0.86same0.85same0.6same1.2same2.6same2.1same––
ST3.51.3same1.3same7.3same6.9same2.35same1same1.2same1.06same1.2same0.9same1.4same3.2same2.5same2.7same
ST4.21.4same1.4same8.4same8same2.6same1.2same1.51same1.26same1.3same1same1.6same3.7same2.8same3.2same
ST4.81.6same1.6same9.3same8.9same2.8same1.2same1.51same1.26same1.4same1.1same2same4.3same3.2same3.6same
ST5.51.8same1.8same10.3same9.9same3same1.6same1.91same1.66same1.5same1.1same2.2same5same3.6same4.3same
ST6.31.8same1.8same11.3same10.9same3.15same1.6same1.91same1.66same1.6same1.2same2.4same6same3.6same5same
ST82.1same2.1same15.8same15.4same4.65same2same2.31same2.06same2.3same1.8same3.2same7.5same4.2same6.3same
ST9.52.1same2.1same18.3same17.8same5.25same2.5same2.81same2.56same2.6same2same4same8same4.2same––

All sizes we supplyISO 1482 dimensionsAll comparisons

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