Product Details
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:
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Specification | |
d | Max | Min | dc | 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 | Min | dc | 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 ?
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
Company Profile
TOBO GROUP LTD is a professional fastener manufacturer and exporter in China. We
produce various types of fasteners (include non-standard) in GB,
DIN, BS, ANSI/ASME, IFI, ISO, and JIS with 300 tons of monthly
productivity. Our main products are bolts, nuts, screws, threaded
rods, plain washers, and other stamping parts, and we also can
produce nonstandard products according to the client's request.