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

Thread Specification d			M4	M5	M6	M8	M10	M12	(M14)	M16	(M18)	M20
P	Screw Pitch	Coarse Thread	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5
		Fin Thread 1	-	-	-	1	1	1.5	1.5	1.5	1.5	2
		Fin Thread 2	-	-	-	-	1.25	1.25	-	-	2	1.5
e	Min		7.66	8.79	11.05	14.38	17.77	20.03	23.35	26.75	29.56	32.95
h	Max		5.5	7	9	12	14	16	18	20	22	25
h	Min		5.2	6.64	8.64	11.57	13.57	15.57	17.57	19.48	21.48	24.48
s	Max		7	8	10	13	16	18	21	24	27	30
s	Min		6.78	7.78	9.78	12.73	15.73	17.73	20.67	23.67	26.16	29.16
t	Max		4.64	5.44	7.29	9.79	11.35	13.85	15.35	17.35	19.42	21.42
t	Min		4.16	4.96	6.71	9.21	10.65	13.15	14.65	16.65	18.58	20.58
1000 pieces weight≈kg			1.31	2.2	4.29	9.5	-	-	-	48.1	70	94.1

Thread Specification d			(M22)	M24	(M27)	M30	M36	M42	M48	(M56)	(M64)	(M72)
P	Screw Pitch	Coarse Thread	2.5	3	3	3.5	4	4.5	5	5.5	6	6
		Fin Thread 1	1.5	2	2	2	3	3	3	4	4	4
		Fin Thread 2	2	-	-	-	-	-	-	-	-	-
e	Min		37.29	39.55	45.2	50.85	60.79	72.02	82.6	93.56	104.86	116.16
h	Max		28	30	32	34	44	52	58	68	75	85
h	Min		27.48	29.48	31.38	33.38	43.38	51.26	57.26	67.26	74.26	84.13
s	Max		34	36	41	46	55	65	75	85	95	105
s	Min		33	35	40	45	53.8	63.1	73.1	82.8	92.8	102.8
t	Max		22.42	24.42	26.42	28.42	36.5	42.5	48.5	56.6	62.6	67.6
t	Min		21.58	23.58	25.58	27.58	35.5	41.5	47.5	55.4	61.4	66.4
1000 pieces weight≈kg			-	165	229	310	577	958	1410	2100	2840	3910

Packing & Shipping

Application:

Sifang mother, hardware equipment, fastening accessories. It has a square shape with internal threads and can be used with bolts. Also known as a square nut, Mostly used in construction, building materials, home improvement, industrial and mining, transportation, power and other industries. Sifang mother is a nut type hardware product, with small size, different specifications and large demand.

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
.