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Zinc Plated Carbon Steel Metal Thumb Screw M8 40mm for Gym Equipment Handle Adjustment

Product Details

Place of Origin: China

Brand Name: JIA SHAN

Certification: ISO 9001

Model Number: Customized

Payment & Shipping Terms

Minimum Order Quantity: 10

Price: 0.01-11

Packaging Details: plastic Bag+Chipboard Carton+Plywood Pallet Pallet with Belt&Plastic Film/ Customized as your requirements

Delivery Time: 5-15days

Payment Terms: L/C,D/A,D/P,T/T,Western Union,

Supply Ability: 100000

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Highlight:

Zinc Plated Thumb Screw M8

,

Carbon Steel Thumb Screw 40mm

,

Gym Equipment Handle Adjustment Screw

Package Quantity:
100 Pieces
Color:
Customized/Silver/Plain
Material:
Stainless Steel
Thread Pitch:
Customized
Corrosionresistance:
High/Customized
Headtype:
Thumb Screw
Port:
Shenzhen, Guangzhou
Common Uses:
Construction, Automotive, Machinery
Finish:
Plain/ Black Oxide
Thread Type:
Mechined Thread
Rust Proof:
Yes
Manufacturer:
Various Manufacturers
Package Quantity:
100 Pieces
Color:
Customized/Silver/Plain
Material:
Stainless Steel
Thread Pitch:
Customized
Corrosionresistance:
High/Customized
Headtype:
Thumb Screw
Port:
Shenzhen, Guangzhou
Common Uses:
Construction, Automotive, Machinery
Finish:
Plain/ Black Oxide
Thread Type:
Mechined Thread
Rust Proof:
Yes
Manufacturer:
Various Manufacturers
Zinc Plated Carbon Steel Metal Thumb Screw M8 40mm for Gym Equipment Handle Adjustment

Zinc Plated Carbon Steel Metal Thumb Screw M8 40mm for Gym Equipment Handle Adjustment


Zinc Plated Carbon Steel Metal Thumb Screw M8 40mm for Gym Equipment Handle Adjustment


 
 
1,Description:

This zinc plated carbon steel metal thumb screw features M8 metric thread and a 40mm threaded shank, purpose-built for gym equipment handle adjustment. Constructed from robust carbon steel, it provides sufficient tensile strength and load-bearing capacity to withstand continuous mechanical stress and pulling force generated during fitness workouts. The thumb-style head is engineered for direct hand twisting, enabling tool-free operation. Its precision-rolled M8 thread maintains uniform pitch for smooth rotation, stable meshing and consistent linear travel when turning to reposition handles. The evenly applied zinc plating forms a protective barrier over the carbon steel substrate. The coating is tightly bonded to the metal surface, with controlled thickness that will not disrupt thread fit. It resists chipping under regular friction from repeated manual tightening and loosening.
2,Applications:

This thumb screw is mainly used to lock and adjust movable handles, grip bars and accessory brackets on various gym fitness machines. It is widely installed on rowing machines, adjustable dumbbell racks, cable training stations, multi-functional strength trainers and home workout equipment. Fitness users or coaches can loosen the screw by hand to slide or rotate handles into the proper position to match different user heights, arm spans and training movement requirements. Once the ideal position is set, simple hand tightening locks the handle securely to avoid shifting during exercise. It also serves for fixing auxiliary grips, pull handles and limit stoppers on commercial gym apparatus, supporting frequent position switching between multiple users in gym studios and home fitness spaces.

3,Technical Advantages

The thumb head design removes the need for wrenches or screwdrivers, allowing instant adjustment of gym handles and greatly improving the convenience of equipment setup. Carbon steel offers outstanding mechanical strength at an economical cost to endure recurring dynamic loads in fitness scenarios. The zinc plated layer provides dependable anti-corrosion performance against sweat, indoor humidity and dust commonly found in gym environments, slowing down rust formation effectively. Users can manually regulate clamping torque to avoid over-tightening damage to plastic or aluminum handle assemblies. It supports hundreds of adjustment cycles with stable thread performance, resisting wear from frequent hand operation. It is a practical low-maintenance fastener that balances reliable locking function and flexible adjustability for fitness equipment.

Packaging Options

Available in small packing, carton packing, or pallet configurations to meet your shipping and storage requirements.
Packaging options for stainless steel hex bolts

Manufacturer Information

Manufactured by JIA SHAN Hardware Company with strict quality control measures and pre-shipment inspection.

Manufacturing facility of JIA SHAN Hardware Company Quality control process at JIA SHAN Hardware Shipping and logistics operations