1) Description:
flat washers , din 7989 , din7989 , din 125 , din125 , din 9021 , din9021 , din 440 , din440 , penny washers
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2)Physical performance and material:
a) normal strength: made from low carbon steel, C1008, C1015, Q195, Q235 etc
b) High strength: made from high carbon steel such as C1035, C1045, 65Mn etc, And with hardened treatment.
other materil: stainless steel, brass etc.
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3)Surface treatment:
plain/self colour, zinc plated, HDG(hot dipped galvanized).
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4)Packing
a) In small box: 2~5kgs/box, 2~10boxes/carton, 36~48cartons/Pallet.
b) In bulk Packing: 25KGS/CARTON, 36 or 48 cartons/Pallet.
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5)Size:
din7989:
d1 | d2 | s | |
inner dia. | for thread size | outer dia. | thickness |
11 | M10 | 21 | 8 |
14 | M12 | 24 | 8 |
18 | M16 | 30 | 8 |
22 | M20 | 37 | 8 |
26 | M24 | 44 | 8 |
30 | M27 | 50 | 8 |
33 | M30 | 56 | 8 |
flat washers , din 7989 , din7989