DIN985 Prevailing Torque M5 To M48 304 A4-80 Stainless Steel Nut

Brand Name:QBH
Certification:ISO9001
Model Number:M5-M48
Minimum Order Quantity:900KG
Delivery Time:30days
Payment Terms:L/C, T/T,OA
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How to use a Nylon lock nuts.pdf


DIN985 Prevailing Torque M5 To M48 304 A4-80 Stainless Steel Nut


Specification


QBH DIN 985 Lock Nuts 2 results found that include 27 products Locknuts lock fasteners in place to keep them from backing out or loosening due to vibration or torque. A locknut is commonly used in place of a standard nut on vibrating machinery and when joining soft materials.


DIN 985 - Prevailing torque type hexagon thin nuts with nonmetallic insert

Current norm: DIN EN ISO 10511
Equivalent norms: ISO 10511; CSN 021492; UNI 7474;


Legend:

s - size of the hexagon
e - the diameter of the circumscribed circle (not less than)
d - the nominal diameter of the thread
h - height of the nut
m - hight of the nut part
da - Turning diameter shrinkage
dw - contact surface diameter

Makings:QBH
Stainless: A2,A4
Plastic: -
Non Ferrous: -
Thread: 6H


Table according to DIN 985:

dimensions in mm

Thread dM3M4M5M6M7M8M10M12M14M16M18
-----M8x1M10x1M12x1,5M14x1,5M16x1,5M18x2
------M10x1,25M12x1,25--M18x1,5
P0,50,70,8111,251,51,75222,5
damin.3456781012141618
max.3,454,65,756,757,758,7510,81315,117,319,5
dwmin.4,65,96,98,99,611,615,617,420,522,524,9
emin.6,017,668,7911,0512,1214,3818,921,124,4926,7529,56
hnominal= max.45567,581012141618,5
min.3,74,74,75,77,147,649,6411,5713,315,317,66
mmin.2,42,93,244,75,56,589,510,513
min.1,652,22,753,33,854,45,56,67,78,89,9
snominal= max.5,5781011131719222427
min.5,326,787,789,7810,7312,7316,7318,6721,6723,6726,16
Weight (7,85Kg/dm3) kg/1000pcs0,511,42,435,110,617,2263445


Thread dM20M22M24M27M30M33M36M39M42M45M48
M20x2M22x2M24x2M27x2M30x2M33x2M36x3M39x3M42x3M45x3M48x3
M20x1,5M22x1,5---------
P2,52,5333,53,5444,54,55
damin.2022242730333639424548
max.21,623,725,929,132,435,638,942,145,448,651,8
dwmin.27,729,533,23842,746,651,155,960,664,769,4
emin.32,9535,0339,5545,250,8555,3760,7966,4472,0976,9582,6
hnominal= max.2022242730333639424548
min.18,720,722,725,728,731,434,437,440,443,446,4
mmin.1415151719222527293236
min.1112,213,214,816,518,219,821,523,124,826,5
snominal= max.3032364146505560657075
min.29,16313540454653,858,863,868,173,1
Weight (7,85Kg/dm3) kg/1000pcs6575100162212317415499628771998


Process flow


Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ tapping ➨lock nutmake heat treatment(if need)FinishPacking


Hot forging

Cutting materialhot forgingturningtappinglock nutmake heat treatment(if need)FinishPacking


Product Grade


A2-70 A2-80 A4-70 A4-80


Materials and Chemical compstition


CHEMICAL COMPOSI(% )
TypeCSiMnPSNiCrMoCu
201Cu0.081.007.5-100.060.034.00-6.0014.0-17.0 2.0-3.0
2010.151.008.500.060.033.50-5.5016.0-18.0  
2020.151.007.5-100.060.034.00-6.0017.0-19.0  
3010.151.002.000.0450.035.00-8.0016.0-18.0  
3020.151.002.000.0450.038.00-10.017.0-19.0  
XM7
(302HQ)
0.081.002.000.0450.038.50-10.517.0-9.00 3.0-4.0
3030.151.002.000.20≥0.158.00-10.017.0-19.0≤0.60 
3040.071.002.000.0350.038.00-10.018.0-20.0  
304HC0.081.002.000.0450.038.00-10.017.0-19.0 1.0-3.0
304M0.081.002.000.0450.038.50-10.018.0-20.0  
3160.081.002.000.0450.0310.0-14.016.0-18.02.0-3.0 
316L
(12Ni)
0.031.002.000.0450.0312.0-15.016.0-18.02.0-3.0 
316L
(10Ni)
0.031.002.000.0450.0310.0-14.016.0-18.02.0-3.0 
3210.081.002.000.0450.039.00-13.017.0-19.0 Ti≤5*C%
25200.081.002.000.0350.0319.0-22.024.0-26.0  

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

  • QBH brand sales to the main quality assurance.
  • Years of export trade management, excellent service, word-of-mouth guarantee.
  • By working with TUV,escort for quality.
  • Customization of non-standard parts can be made according to customer's requirements and drawings.
  • For quality customers,we can provide a certain credit period.

Product application

A nylon insert keeps metric bolt threads from coming loose due to vibration, wear, and temperature swings. About 25% stronger than medium-strength steel locknuts, these nuts are made of high-strength, Class 10 steel. They're used in valves, pumps, suspension systems, and other high-stress parts. A zinc plating prevents rust in wet areas. Combine with Class 10.9 metric bolts, which have similar strength. All are reusable but lose holding power after each use.

These locknuts meet ISO 7040 and ISO 7041-2 (formerly DIN 985 and DIN 982), which are international standards for dimensions. The ISO standards are functionally equivalent to the DIN standards with slight differences in width, height, or tolerances.


FAQ
1.What's your experience like?

Our general manager has been engaged in the export of fasteners since 2005.
Our team can provide you with professional fasteners selling and smooth export services.

2.How about your price?
High quality products with reasonable price. Please give me a inquire, We will quoted you a price for you
refer at once.

3. How do you control your quality?
We require the quality control department to inspect every production link of each shipment. And we can provide you MTC and mill certificate when the goods is finished.

4.How about your delivery time?
General speaking, if the goods is in stock, we can delivery them with 2-5days, If the quantity is 1-2container, we can give you with 18-25days,if the quantity is more than 2 container and you are very urgent, we can let factory priority produce
your goods.

5.What is your packing?
Our packing is 20-25kg for one carton,36 or 48pcs cartons for one pallet. One pallets is about 900-960kg, We also can make customer's logo on the cartons. Or we customized cartons according to customers'
requirement.

6.What is your payment term?
We can accept T/T,LC for general order ,Paypal and Western union for small order or samples order.

China DIN985 Prevailing Torque M5 To M48 304 A4-80 Stainless Steel Nut supplier

DIN985 Prevailing Torque M5 To M48 304 A4-80 Stainless Steel Nut

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