1. Specification: Diameter from M20, M22, M24, M27, M30 or 3/8" to 1-1/8", length from 20mm to 600mm, or 1-1/2" to 26".

2. Grade: 4.6, 4.8, 5.6, 8.8, 10.9, Gr2, Gr5, Gr 8.

3. Protection: Black, White zinc, Yellow zinc, hot dipped galvanised.

4. Packing: Plastic bags+ wooden pallets, wooden case or cartons+ wooden pallets.
We also manufacture products according to drawings or samples from our customers. The scope include all kinds of fastening, clamping, jointing, insulating and casting products. Such as insulators, plastic or HDPE dowels, joint bars, gauge studs, bolts and nuts, spikes, clips etc.

Clip Bolt with Nuts product offered by Changshu Cowin Railway Materials Co., Ltd.

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