DIN 7967 - 1970 Carbon Steel High Quality Hot Dip Galvanizing Self-Locking Counter Nuts

Fastener nuts are generally not used as main-force fasteners. Their function is to fasten the nut on the back to prevent the nut from loosening. The fastening nut is mainly used as the lock parent. When in use, first fasten the connecting part with the ordinary nut, and then screw up the locking mother and tighten it by hand, so that it contacts with the ordinary nut, and then use the wrench to fasten the nut 60° ~ 90°. Hex nuts must be tightened when released. Make the clearance with the fastening nut, the locking nut can be loosened

1. Certification: ISO, ROHS, SGS
2. Available Standard: DIN, ANSI, ASTM, JIS, BSW
3. Strength: Grade 4.8,Grade 8.8,Grade10.9,Grade12.9 A2-70, A4-70, A4-80
4. Finishing: Yellow, blue, white zinc plated, Galvanized,HDG,Chromate,Dacromet
5. Available material: Carbon steel, stainelss steel SS304, A2 ,Stainless steel SS314,A4.
6. Size: M2-M100, Length: 5-300mm, Moq: 500pcs, Port: Shenzhen, Shanghai
7. Available Packing: Plastic bags+Chipboard Cartons+Plywood pallet with Belt &Film.

Packing & Shipping

Package details:

1) Sample order, 20/25kg per carton with our logo or neutral package;

2) For Large orders, we can custom packaging;

3) Normal Packing: 1000/500/250pcs per small box. then into cartons and pallet;

4) According to customers' requirements.

FAQ

1.How do you let me trust you?
We are a Golden supplier in Alibaba who do business for more than 5 years. You can make an order by Alibaba to us directly.

2.How about your price?
High-quality products with a reasonable price suitable for your market.

3.How do you control your quality?
We request a QC inspection for each batch of goods. And we can provide you inspection report and mill certificate if you want..

4.Could you provide free samples?
For new customers, We can provide free samples for standard fasteners. But the clients will pay the express charges. For regular customers, We will send you free samples and pay express charges by ourselves.

5.How about your delivery time?
Generally speaking, All the goods have stock with little quantity, we can delivery them with one week. If the quantity is 1-2container, we can give you with 30-45days.

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

7.What is your payment term?
We can accept T/T,LC for general order. For new customer, we request 20%-50% T/T in advance, and balance payment should against B/L copy. For regular customer, we can provide delay payment after B/L date about 30-90 days
.

Thread Specification		M4	M5	M6	M8	M10	M12	M14	M16	M18	M20	M22
d
P	Type 1	0.7	0.8	1	1	1	1.25	1.5	1.5	1.5	1.5	1.5
	Type 2	-	-	-	1	1.25	1.5	1.5	1.5	2	2	2
	Type 3	-	-	-	-	1	1.25	-	-	1.5	1.5	1.5
d	Type 1	3.5	4.5	5.3	6.9	8.6	10.4	12	14.1	15.5	17.6	19.6
	Type 2	-	-	-	7.1	9	10.7	12.7	14.8	16.2	18.3	20.3
	Type 3	-	-	-	-	9.3	11	-	-	16.8	18.8	20.8
e	≈	8.1	9.2	11.5	15	19.6	21.9	25.4	27.7	31.2	34.6	36.9
m		2.5	2.5	3	3.5	4	4.5	5	5	5.5	6	6
s	Max	7	8	10	13	17	19	22	24	27	30	32
s	Min	6.78	7.78	9.78	12.73	16.73	18.67	21.67	23.67	26.67	29.67	31.61
t	Type 1	0.3	0.4	0.4	0.5	0.5	0.6	0.6	0.7	0.7	0.8	0.8
	Type 2	-	-	-	0.4	0.5	0.6	0.6	0.7	0.7	0.8	0.8
	Type 3	-	-	-	-	0.5	0.6	-	-	0.7	0.7	0.7
1000pc/kg	Type 1	0.17	0.28	0.4	0.9	1.4	1.9	2.5	3.4	4.1	5.8	6.4
	Type 2	-	-	-	0.7	1.4	1.9	2.5	3.4	4.1	5.8	6.4
	Type 3	-	-	-	-	1.4	1.9	-	-	4.1	5.1	5.6

Thread Specification		M24	M27	M30	M33	M36	M39	M42	M45	M48	M52
d
P	Type 1	1.5	2	2	2	3	3	3	3	3	3
	Type 2	2	2	2	2	3	3	3	3	3	3
	Type 3	1.5	-	-	-	-	-	-	-	-	-
d	Type 1	21	24.2	26.6	29.8	32.2	35.2	37.6	40.9	43.9	48.2
	Type 2	22.5	25.5	28.5	31.5	33.6	36.6	39.8	42.8	45.8	49.8
	Type 3	22.8	-	-	-	-	-	-	-	-	-
e	≈	41.6	47.3	53.1	57.7	63.5	69.3	75	80.8	86.5	92.4
m		7	7	8	8	9	9	11	12	14	16
s	Max	36	41	46	50	55	60	65	70	75	80
s	Min	35.61	40.61	45.61	49.61	54.54	59.54	64.54	69.54	74.54	79.54
t	Type 1	0.9	1	1.1	1.2	1.3	1.3	1.4	1.5	1.6	1.7
	Type 2	0.9	1	1	1	1.3	1.3	1.4	1.5	1.5	1.5
	Type 3	0.7	-	-	-	-	-	-	-	-	-
1000pc/kg	Type 1	9.5	13	17.5	22	29	32	45	64	80	95
	Type 2	9.5	13	16	18.5	29	32	45	64	75	80
	Type 3	7.4	-	-	-	-	-	-	-	-	-