E1609 Tension Clamp

Tension Clamp

We produce and supply various elastic rail clip, spring blade and SKL tension clamp.

We produce SKL tension clamp with sizes from steel bar dia. 12mm to 15mm, ranges from SKL1, SKL3, SKL12, SKL13, and SKL14, etc.
Steel DIN 17221, BS970, GB/T 4357 and GB/T 4358 are all available.
The hardness of finished product is 42-47 HRC.
When spring deflection is 9.1mm, fatigue life is up to 5 million cycles without breaking.

We produce Nabla clips by alloy spring steel. Their hardness is 51-55 HRC and they have excellent elastic property. With load 2500daN, after two first tests, variation of height after releasing is only 0.45mm and after three more tests, there is only 0.1mm variation of height. The finished Nabla clip can be painted red or other colors according to the requirements of our clients.

Zhongbo factory, the current place, is located in Shaxi Industry Park, Taicang, Jiangsu Province, east of China. The site is about 23,000 square meters. There are 200 staff in the site, of which, there are about 12 technical staff, and 110 junior and senior skilled workers, for testing and production facilities, there are more than 260 sets. Total assets is about 38 million USD, annual turnover about 55 million USD. The annual production capability is 36,000 tons, including rail fastenings, all kinds of railway bolts and screw spikes etc.