1. Wire Size2. Inside Diameter3. Length of spring4. Wind of spring (Right or left wound)
Product introduction OF Modern garage door hardware
Chain Hoist,Shaft Mount, 4 to 1 Ratio,Chain Sprocket Drive,1-in Bore,JR ST
(CH401JR114)Chain Hoist,Shaft Mount, 4 to 1Ratio, Chain Sprocket Drive,1-1/4-in Bore,JR STProduct Weights:
CH401JR1-16.7 lbs.CH401JR114-16.7 lbs.Type: Shaft Mounting
Pull Load Hand Chain: 40 lbs. Max.
4 to 1 Reduced Drive
Reduced Drive for 1" (or 1-1/4") ShaftNeeds 3-7/16"Minimum Offset
FAQ
1.Can we open our own module on your product after we test samples ok?
Answer:Yes,we can open new module as customer requires,but the new module opening charge should be paid by customers;
2.Do you have some easier broken replacement parts support durning our cooperation orders?
Answer:Yes,we usually give customers with some free replacement parts for support accoring to market reaction;
But it requires minimum order quantity;And for main part,if you need repalcement parts,you may need to pay;