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[China]
Trade Verify
Address: No.375,Tongle Road,Jiaxing City,Zhejiang Province,China
Contact name:Lance
Jiaxing City Qunbang Hardware Co., Ltd |
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Verified Suppliers
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DIN 603 Carbon Steel Mushroom Head Square Neck Bolts
Specification
DIN 603 - Mushroom head square neck bolts
Current norm: DIN 603
Equivalent norms: ISO 8677; CSN 021319; PN 82406; UNI 5731
b - length of the thread (at least)
l - length of bolt
d - the nominal diameter of the thread
k - head height
ds - diameter of the screw shank
dk - head diameter
f - height squared
v - width of the square
r1 - Head radius
lg - length of the shank to thread
ls - length of the shank to the start of the thread
Steel: 4.6,8.8
Stainless: A2, A4
Plastic: -
Non Ferrous: -
Thread: 6g
| Thread d | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |
| P | 0,8 | 1 | 1,25 | 1,5 | 1,75 | 2 | 2,5 | |
| b | l < 125mm | 16 | 18 | 22 | 26 | 30 | 38 | 46 |
| 125 < l < 200mm | 22 | 24 | 28 | 32 | 36 | 44 | 52 | |
| l > 200mm | - | - | 41 | 45 | 49 | 57 | 65 | |
| dk | max. | 13,55 | 16,55 | 20,65 | 24,65 | 30,65 | 38,8 | 46,8 |
| min. | 12,45 | 15,45 | 19,35 | 23,35 | 29,35 | 37,2 | 45,2 | |
| ds | max. | 5 | 6 | 8 | 10 | 12 | 16 | 20 |
| min. | 4,52 | 5,52 | 7,42 | 9,42 | 11,3 | 15,3 | 19,16 | |
| f | max. | 4,1 | 4,6 | 5,6 | 6,6 | 8,75 | 12,9 | 15,9 |
| min. | 2,9 | 3,4 | 4,4 | 5,4 | 7,25 | 11,1 | 14,1 | |
| k | max. | 3,3 | 3,88 | 4,88 | 5,38 | 6,95 | 8,95 | 11,05 |
| min. | 2,7 | 3,12 | 4,12 | 4,62 | 6,05 | 8,05 | 9,95 | |
| r1 | approx. | 10,7 | 12,6 | 16 | 19,2 | 24,1 | 29,3 | 33,9 |
| r2 | max. | 0,5 | 0,5 | 0,5 | 0,5 | 1 | 1 | 1 |
| r3 | max. | 0,75 | 0,9 | 1,2 | 1,5 | 1,8 | 2,4 | 3 |
| v | max. | 5,48 | 6,48 | 8,58 | 10,58 | 12,7 | 16,7 | 20,84 |
| min. | 4,52 | 5,52 | 7,42 | 9,42 | 11,3 | 15,3 | 19,16 | |
Tab2
| l | M5 | M6 | M8 | M10 | M12 | M16 | M20 | |||||||||
| nominal size | min. | max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. | ls min. | lg max. |
| 16 | 15,1 | 16,9 | - | 8 | - | 10 | ||||||||||
| 20 | 18,95 | 21,05 | - | 8 | - | 10 | - | 12 | - | 14 | ||||||
| 25 | 23,95 | 26,05 | - | 8 | - | 10 | - | 12 | - | 14 | ||||||
| 30 | 28,95 | 31,05 | - | 18 | - | 10 | - | 12 | - | 14 | - | 18 | ||||
| 35 | 33,75 | 36,25 | 15 | 19 | 12 | 17 | - | 12 | - | 14 | - | 18 | ||||
| 40 | 38,75 | 41,25 | 20 | 24 | 17 | 22 | 11,75 | 18 | - | 14 | - | 18 | ||||
| 45 | 43,75 | 46,25 | 25 | 29 | 22 | 27 | 16,75 | 23 | 11,5 | 19 | - | 18 | ||||
| 50 | 48,75 | 51,25 | 30 | 34 | 27 | 32 | 21,75 | 28 | 16,5 | 24 | - | 18 | ||||
| 55 | 53,5 | 56,5 | 35 | 39 | 32 | 37 | 26,75 | 33 | 21,5 | 29 | 16,25 | 25 | - | 23 | ||
| 60 | 58,5 | 61,5 | 40 | 44 | 37 | 42 | 31,75 | 38 | 26,5 | 34 | 21,25 | 30 | - | 23 | ||
| 65 | 63,5 | 66,5 | 45 | 49 | 42 | 47 | 36,75 | 43 | 31,5 | 39 | 26,75 | 35 | 17 | 27 | ||
| 70 | 68,5 | 71,5 | 50 | 54 | 47 | 52 | 41,75 | 48 | 36,5 | 44 | 31,25 | 40 | 22 | 32 | - | 28,5 |
| 80 | 78,5 | 81,5 | 60 | 64 | 57 | 62 | 51,75 | 58 | 46,5 | 54 | 41,25 | 50 | 32 | 42 | 21,5 | 34 |
| 90 | 88,25 | 91,75 | 67 | 72 | 61,75 | 68 | 56,5 | 64 | 51,25 | 60 | 42 | 52 | 31,5 | 44 | ||
| 100 | 98,25 | 101,75 | 77 | 82 | 71,75 | 78 | 66,5 | 74 | 61,25 | 70 | 52 | 62 | 41,5 | 54 | ||
| 110 | 108,25 | 111,75 | 87 | 92 | 81,75 | 88 | 76,5 | 84 | 71,25 | 80 | 62 | 72 | 51,5 | 64 | ||
| 120 | 118,25 | 121,75 | 97 | 102 | 91,75 | 98 | 86,5 | 94 | 81,25 | 90 | 72 | 82 | 61,5 | 74 | ||
| 130 | 128 | 132 | 101 | 106 | 95,75 | 102 | 90,5 | 98 | 85,25 | 94 | 76 | 86 | 65,5 | 78 | ||
| 140 | 138 | 142 | 111 | 116 | 105,75 | 112 | 108,5 | 108 | 95,25 | 104 | 86 | 96 | 75,5 | 8 | ||
| 150 | 148 | 152 | 121 | 126 | 115,75 | 122 | 110,5 | 118 | 105,25 | 114 | 96 | 106 | 85,5 | 98 | ||
| 160 | 156 | 164 | 120,5 | 128 | 115,25 | 124 | 106 | 116 | 95,5 | 108 | ||||||
| 180 | 176 | 184 | 140,5 | 148 | 135,25 | 144 | 126 | 136 | 115,5 | 128 | ||||||
| 200 | 195,4 | 204,6 | 160,5 | 168 | 155,25 | 164 | 146 | 156 | 135,5 | 148 | ||||||
Process flow
Cold forging
Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ thread rolling ➨make heat treatment(if need) ➨ Finish ➨ Packing
Hot forging
Cutting material ➨ hot forging ➨ turning ➨ shrink diameter(half thread) ➨thread rolling ➨ make heat treatment(if need) ➨ Finish ➨ Packing
Product Grade
304 A2-70 A2-80 316 A4-70 A4-80
Materials and Chemical compstition
| CHEMICAL COMPOSI(% ) | ||||||||||
| Type | C | Si | Mn | P | S | Ni | Cr | Mo | Cu | Others |
| ≤ | ≤ | ≤ | ≤ | ≤ | ≥ | ≥ | ≥ | ≈ | ||
| 201Cu | 0.08 | 1.00 | 7.5-10 | 0.06 | 0.03 | 4.00-6.00 | 14.0-17.0 | 2.0-3.0 | ||
| 201 | 0.15 | 1.00 | 8.50 | 0.06 | 0.03 | 3.50-5.50 | 16.0-18.0 | N≤0.25 | ||
| 130M/202 | 0.15 | 1.00 | 7.5-10 | 0.06 | 0.03 | 4.00-6.00 | 17.0-19.0 | N≤0.25 | ||
| 202 | 0.15 | 1.00 | 7.5-10 | 0.06 | 0.03 | 4.00-6.00 | 17.0-19.0 | |||
| 301 | 0.15 | 1.00 | 2.00 | 0.045 | 0.03 | 5.00-8.00 | 16.0-18.0 | |||
| 302 | 0.15 | 1.00 | 2.00 | 0.045 | 0.03 | 8.00-10.0 | 17.0-19.0 | |||
| XM7 (302HQ) | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.50-10.5 | 17.0-9.00 | 3.0-4.0 | ||
| 303 | 0.15 | 1.00 | 2.00 | 0.20 | ≥0.15 | 8.00-10.0 | 17.0-19.0 | ≤0.60 | ||
| 303Cu | 0.15 | 1.00 | 3.00 | 0.20 | ≥0.15 | 8.0-10.0 | 17.0-19.0 | ≤0.60 | 1.5-3.5 | |
| 304 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.00-10.0 | 18.0-20.0 | |||
| 304H | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.0-10.0 | 18.0-20.0 | |||
| 304HC | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.00-10.0 | 17.0-19.0 | 2.0-3.0 | ||
| 304HCM | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.0-10.0 | 17.0-19.0 | 2.5-4.0 | ||
| 304L | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 9.0-13.0 | 18.0-20.0 | |||
| 304M | 0.06 | 1.00 | 2.00 | 0.045 | 0.03 | 8.50-10.0 | 18.0-20.0 | |||
| 305 | 0.12 | 1.00 | 2.00 | 0.045 | 0.03 | 10.5-13.0 | 17.0-19.0 | |||
| 305J1 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 11.0-13.5 | 16.5-19.0 | |||
| 309S | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 12.0-15.0 | 22.0-14.0 | |||
| 310S | 0.08 | 1.50 | 2.00 | 0.045 | 0.03 | 19.0-22.0 | 24.0-26.0 | |||
| 314 | 0.25 | 15.-3.0 | 2.00 | 0.040 | 0.03 | 19.0--22.0 | 24.0-26.0 | |||
| 316 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | ||
| 316Cu | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | 2.0-3.0 | |
| 316L (12Ni) | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 12.0-15.0 | 16.0-18.0 | 2.0-3.0 | ||
| 316L (10Ni) | 0.03 | 1.00 | 2.00 | 0.045 | 0.03 | 10.0-14.0 | 16.0-18.0 | 2.0-3.0 | ||
| 321 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 9.00-13.0 | 17.0-19.0 | Ti≤5*C% | ||
| 410 | 0.15 | 1.00 | 0.03 | 11.5-13.5 | ||||||
| 416 | 0.15 | 1.25 | ≥0.15 | 12.0-14.0 | ||||||
| 420 | 0.26-0.4 | 1.00 | 0.03 | 12.0-14.0 | ||||||
| 410L | 0.30 | 1.00 | 1.00 | 0.040 | 0.03 | 11.5-13.5 | ||||
| 430 | 0.12 | 0.75 | 1.00 | 0.040 | 0.03 | 16.0-18.0 | ||||
| 430F | 0.12 | 1.00 | 1.25 | 0.060 | 0.15 | 16.0-18.0 | ||||
| 631(J1) | 0.09 | 1.00 | 1.00 | 0.040 | 0.03 | 6.50-8.50 | 16.0-18.0 | AL 0.75-1.5 | ||
| 2520 | 0.08 | 1.00 | 2.00 | 0.035 | 0.03 | 19.0-22.0 | 24.0-26.0 | |||
PACKING
QBH BULK
20-25KG/CTN,36CTNS/PALLET
20-30KG/BAGS,36BAGS/PALLET
ONE TON/BOXES
50KG/ IRON DRUM,12 IRON DRUMS/PALLET
QBH SMALL PACKING
Packing in small boxes according to customer’s requirements
Packing in plastic bag according to customer’s requirements
QBH PALLET TYPE
SOLID WOOD FUMIGATION PALLET
EURO Pallet
THREE SPLINT PALLET
WOODEN BOX
The advantages of QBH
