Popular Heavy Duty Chain Block With Top Quality

HSZ-622A, Hoist with overload protection, Heavy duty chain block Features and Advantages Alloy steel components with special heat treatment, avoiding sudden break. Automatic double pawl braking system. Asbestos free friction disc. Industrial Powder coating meet RoHS requirement. 1500 cycles life test, meet JBT7334, EN13157, ANSI B30.16, AS1418 standards. Optional Features with extra cost Independent overload protection system. Captured bearing to reduce the pulling force. Large throat opening hook. Trust bearing in bottom hook assembly. Casting end stop. Zinc plated load chain. Datasheet as below is for your reference

Product Details



This product is upgrade of vital type, and it's original from Japan Tech, named as heavy duty blcok.

Our company, TOHO-RONGKEE, as a manufacturer has been in the lifting field for more than 25 years and we have rich experience in exporting, our business aim is to provide customers the best quality products at the most competitive prices.

Regarding the HSZ-622A chain block, it can be attached to a trolley of any type such as monorail overhead and jib crane. Features and Advantages are as below for you reference:

1. Automatic screw type load break with corrosion protected components.

2. Forged suspension and load hooks, manufactured from non-aging, high alloy tempering steel, yield under overload instead of breaking.

3. Two guide rollers and a heat treated load sheave with machined chain pockets ensure smooth operation of the chain.

4. The construction prevents a blocking and slipping of the hand chain.

5. Our products can meet different standards, like JBT7334, EN13157, by 1500 times cycle life test.

Datasheet as below:


The detail data for your reference, you can get many information from this sheet.

Packaging and Shipping:

1) Packaging: cartons and wooden cases are always supported for our customers, any other packaging also supported for our clients according to your requirement.


2112)Shipping: DHL, Fedex express etc are supported for small quantity, like 1piece, ship, air and train transportation are supported for large quantity.


If you are interested in our products, please feel free to contact with us, the contact way as below:

Tel:  0086-23-86076677-2849

Fax: 0086-23-86076692, 86076693

Cell phone/Whatsapp/Wechat: 0086 17823818342

WEBSITE: www.toholift.com 


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