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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TOBO GROUP LTD
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.
