CM Hook Block: Lever Chain Hoists, 1,500 lb Compatible Load Capacity, 640
The CM Hook Block, model 40121, is a hook block designed for use with 640 series lever chain hoists. It has a compatible load capacity of 1,500 lb. This product is manufactured by CM.
SKU 3G-OTH-332147
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Product Description
The CM Hook Block, model 40121, is a hook block designed for use with 640 series lever chain hoists. It has a compatible load capacity of 1,500 lb. This product is manufactured by CM.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the CM Hook Block 40121 used for?
The CM Hook Block 40121 is a replacement hook block for 640 series lever chain hoists. It is used in industrial lifting applications to support and guide the load chain, enabling safe manual lifting of loads up to 1,500 lb. Common in maintenance, construction, and manufacturing environments.
What are the specifications of the CM Hook Block 40121?
The CM Hook Block 40121 is a hook block compatible with 640 series lever chain hoists. It has a compatible load capacity of 1,500 lb and is manufactured by CM. The manufacturer part number is 40121. It is designed as a direct replacement component for CM lever hoists.
Where to buy the CM Hook Block 40121 worldwide?
You can source the CM Hook Block 40121 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies genuine CM components for lever chain hoists.
How to install the CM Hook Block on a lever chain hoist?
To install the CM Hook Block 40121, first ensure the hoist is unloaded and the chain is slack. Remove the old hook block by disconnecting the chain end link. Attach the new CM hook block to the chain using the provided retaining pin or cotter. Always follow the manufacturer's manual for torque and safety checks.
Used in
Common applications for CMCM Products
3G Electric supplies CM hook blocks for hoists. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










