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[China]
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Address: No.375,Tongle Road,Jiaxing City,Zhejiang Province,China
Contact name:Lance
Jiaxing City Qunbang Hardware Co., Ltd |
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ISO4032 304 316 M3 To M60 A4-80 Stainless Hex Nuts
Product application
ISO 4032 was prepared by Technical Committee ISO/TC 2, Fasteners, Subcommittee SC 12, Fasteners with metric internal thread. This fourth edition cancels and replaces the third edition ( ISO 4032:1999 , corrected and reprinted 2001), of which it constitutes a minor revision.
Specification
ISO4032 HEX NUTS
Process flow
Cold forging
Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ tapping ➨make heat treatment(if need) ➨ Finish ➨ Packing
Hot forging
Cutting material ➨ hot forging ➨ turning ➨ tapping ➨ make heat treatment(if need) ➨ Finish ➨ Packing
Product Grade
Grade A2-70 A2-80 Grade A4-70 A4-80
Unit:mm
| Thread d | preferred threads | M1,6 | M2 | M2,5 | M3 | M4 | M5 | M6 | M8 | M10 | M12 |
| P | 0,35 | 0,4 | 0,45 | 0,5 | 0,7 | 0,8 | 1 | 1,25 | 1,5 | 1,75 | |
| c | max. | 0,20 | 0,20 | 0,30 | 0,40 | 0,40 | 0,50 | 0,50 | 0,60 | 0,60 | 0,60 |
| min. | 0,10 | 0,10 | 0,10 | 0,15 | 0,15 | 0,15 | 0,15 | 0,15 | 0,15 | 0,15 | |
| da | max. | 1,84 | 2,30 | 2,90 | 3,45 | 4,60 | 5,75 | 6,75 | 8,75 | 10,80 | 13,00 |
| min. | 1,60 | 2,00 | 2,50 | 3,00 | 4,00 | 5,00 | 6,00 | 8,00 | 10,00 | 12,00 | |
| dw | min. | 2,40 | 3,10 | 4,10 | 4,60 | 5,90 | 6,90 | 8,90 | 11,60 | 14,60 | 16,60 |
| e | min. | 3,41 | 4,32 | 5,45 | 6,01 | 7,66 | 8,79 | 11,05 | 14,38 | 17,77 | 20,03 |
| m | max. | 1,30 | 1,60 | 2,00 | 2,40 | 3,20 | 4,70 | 5,20 | 6,80 | 8,40 | 10,80 |
| min. | 1,05 | 1,35 | 1,75 | 2,15 | 2,90 | 4,40 | 4,90 | 6,44 | 8,04 | 10,37 | |
| mw | min. | 0,80 | 1,10 | 1,40 | 1,70 | 2,30 | 3,50 | 3,90 | 5,20 | 6,40 | 8,30 |
| s | nominal = max. | 3,20 | 4,00 | 5,00 | 5,50 | 7,00 | 8,00 | 10,0 | 13,00 | 16,00 | 18,00 |
| min. | 3,02 | 3,82 | 4,82 | 5,32 | 6,78 | 7,78 | 9,78 | 12,73 | 15,73 | 17,73 | |
| Thread d | preferred threads | M16 | M20 | M24 | M30 | M36 | M42 | M48 | M56 | M64 |
| P | 2 | 2,5 | 3 | 3,5 | 4 | 4,5 | 5 | 5,5 | 6 | |
| c | max. | 0,80 | 0,80 | 0,80 | 0,80 | 0,80 | 1,00 | 1,00 | 1,00 | 1,00 |
| min. | 0,20 | 0,20 | 0,20 | 0,20 | 0,20 | 0,30 | 0,30 | 0,30 | 0,30 | |
| da | max. | 17,30 | 21,60 | 25,90 | 32,40 | 38,90 | 45,40 | 51,80 | 60,50 | 69,10 |
| min. | 16,00 | 20,00 | 24,00 | 30,00 | 36,00 | 42,00 | 48,00 | 56,00 | 64,00 | |
| dw | min. | 22,50 | 27,70 | 33,30 | 42,80 | 51,10 | 60,00 | 69,50 | 78,70 | 88,20 |
| e | min. | 26,75 | 32,95 | 39,55 | 50,85 | 60,79 | 71,30 | 82,60 | 93,56 | 104,86 |
| m | max. | 14,80 | 18,00 | 21,50 | 25,60 | 31,00 | 34,00 | 38,00 | 45,00 | 51,00 |
| min. | 14,10 | 16,90 | 20,20 | 24,30 | 29,40 | 32,40 | 36,40 | 43,40 | 49,10 | |
| mw | min. | 11,30 | 13,50 | 16,20 | 19,40 | 23,50 | 25,90 | 29,10 | 34,70 | 39,30 |
| s | nominal = max. | 24,00 | 30,00 | 36,00 | 46,00 | 55,00 | 65,00 | 75,00 | 85,00 | 95,00 |
| min. | 23,67 | 29,16 | 35,00 | 45,00 | 53,80 | 63,10 | 73,10 | 82,80 | 92,80 | |
| Thread d | non-preferred threads | M3,5 | M14 | M18 | M22 | M27 | M33 | M39 | M45 | M52 | M60 |
| P | 0,6 | 2 | 2,5 | 2,5 | 3 | 3,5 | 4 | 4,5 | 5 | 5,5 | |
| c | max. | 0,40 | 0,60 | 0,80 | 0,80 | 0,80 | 0,80 | 1,00 | 1,00 | 1,00 | 1,00 |
| min. | 0,15 | 0,15 | 0,20 | 0,20 | 0,20 | 0,20 | 0,30 | 0,30 | 0,30 | 0,30 | |
| da | max. | 4,00 | 15,10 | 19,50 | 23,70 | 29,10 | 35,60 | 42,10 | 48,60 | 56,20 | 64,80 |
| min. | 3,50 | 14,00 | 18,00 | 22,00 | 27,00 | 33,00 | 39,00 | 45,00 | 52,00 | 60,00 | |
| dw | min. | 5,00 | 19,60 | 24,90 | 31,40 | 38,00 | 46,60 | 55,90 | 64,70 | 74,20 | 83,40 |
| e | min. | 6,58 | 23,36 | 29,56 | 37,29 | 45,20 | 55,37 | 66,44 | 76,95 | 88,25 | 99,21 |
| m | max. | 2,80 | 12,80 | 15,80 | 19,40 | 23,80 | 28,70 | 33,40 | 36,00 | 42,00 | 48,00 |
| min. | 2,55 | 12,10 | 15,10 | 18,10 | 22,50 | 27,40 | 31,80 | 34,40 | 40,40 | 46,40 | |
| mw | min. | 2,00 | 9,70 | 12,10 | 14,50 | 18,00 | 21,90 | 25,40 | 27,50 | 32,30 | 37,10 |
| s | nominal = max. | 6,00 | 21,00 | 27,00 | 34,00 | 41,00 | 50,00 | 60,00 | 70,00 | 80,00 | 90,00 |
| min. | 5,82 | 20,67 | 26,16 | 33,00 | 40,00 | 49,00 | 58,80 | 68,10 | 78,10 | 87,80 | |
Materials and Chemical compstition
| CHEMICAL COMPOSI(% ) | |||||||||
| Type | C | Si | Mn | P | S | Ni | Cr | Mo | Cu |
| ≤ | ≤ | ≤ | ≤ | ≤ | ≥ | ≥ | ≥ | ≈ | |
| 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 | ||
| 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 | |
| 304 | 0.07 | 1.00 | 2.00 | 0.035 | 0.03 | 8.00-10.0 | 18.0-20.0 | ||
| 304HC | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.00-10.0 | 17.0-19.0 | 1.0-3.0 | |
| 304M | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 8.50-10.0 | 18.0-20.0 | ||
| 316 | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 10.0-14.0 | 16.0-18.0 | 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% | |
| 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
6boxes/CTN,36CTNS/PALLET
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
