ASME B 18.21.2M Regular Metric Helical Spring Lock Washers SAE J403, J411, J404

Price Negotiable

MOQ: 1pcs

Delivery Time: 25 Working days

Brand: TOBO

Product Description

ASME B 18.21.2M Regular Metric Helical Spring Lock Washers SAE J403, J411, J404

Product Description

There is no difference between the spring lock washer and the spring washer, the difference is the flat washer. Both spring lock washers and spring washers are used to prevent loosening.

Standard	DIN127, DIN127 ASME/ANSI B 18.21.1, UNI 6592 BS 4464
Product name	Regular Metric Helical Spring Lock Washers
Size	M2~M56
Head type	pan head
Drive type	square drive
Color	slivery
Type	Self-tapping screws
Application industry	Contruction area
Feature	Anti rust
Surface treatment	Plain

More Details:

Specification

2.5

3.5

d	Max
d	Min
d_c	Max
n	Min
h	Min
n₁	Min

2.20	2.70	3.21	3.76	4.26	5.26	6.29	8.36
2.05	2.55	3.06	3.58	4.08	5.08	6.10	8.13
4.18	4.94	5.83	6.35	7.28	8.66	12.08	14.96
0.89	1.02	1.19	1.19	1.40	1.57	2.77	3.18
0.51	0.64	0.79	0.79	1.02	1.19	1.57	1.98
0.62	0.71	0.83	0.83	0.98	1.1	1.94	2.23

Specification

d	Max
d	Min
d_c	Max
n	Min
h	Min
n₁	Min

10.38	12.45	14.50	16.63	20.66	24.81	31.25	37.50
10.13	12.15	14.20	16.25	20.28	24.30	30.51	36.61
17.83	21.47	24.39	27.53	33.26	39.79	49.36	58.76
3.58	4.34	4.78	5.16	5.94	7.14	8.74	10.31
2.39	3.18	3.58	3.96	4.78	5.94	7.54	9.12
2.51	3.04	3.49	3.61	4.16	5	6.12	7.22

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FAQ

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=10000USD, 100% in advance. Payment>=10000USD, 50% T/T in advance ,balance before ship

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Company TOBO GROUP LTD

Location 2F,Building7,Baolong Center,No.689,Xiwang Road,Jiading District,Shanghai,201800,China

Contact Person Wason

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