UJEN DEVELOPMENT CO., LTD. - UJEN is a manufacturer with 45 years of experience in producing hand screws, offering custom services and professional mold-making capabilities for knobs & handles.

Curved Zinc Adjustable Handle Screw, 5/16 x 30mm, Chamfered End, L45 | UJEN DEVELOPMENT CO., LTD.

Quick release handles meet the richness and diversity of modern product design. Metal Handle bolt 5/16x30mm, Internal gears are thickened to enhance durability. Matte black and bright silver baking paint, significantly increase the value and quality of goods.
Compliant with ROHS & REACH, the body is made of high-strength zinc alloy to improve durability. Screws or nuts can be made according to customer's requirements, no matter what size or material, UJEN can provide customers with suggestions and production. The grip is non-scratchy, without sharp corners and burrs, and the surface is baked with high quality lacquer. Locking force is excellent, and the handle has the best design of both beauty and handling.
The threads meet Class II specifications. We are ISO9001:2015 certified, and our quality is stable. We offer a wide range of customized services, contact us for more information.

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Curved Adjustable Handle Bolt, Clamping Lever Screw, Quick Handle, Fixed Handle

Curved Adjustable Hand Lever Zinc 5/16x30mm chamfered screw length45

Curved Zinc Adjustable Handle Screw, 5/16 x 30mm, Chamfered End, L45 - Curved Adjustable Hand Lever Zinc 5/16x30mm chamfered screw length45
  • Curved Zinc Adjustable Handle Screw, 5/16 x 30mm, Chamfered End, L45 - Curved Adjustable Hand Lever Zinc 5/16x30mm chamfered screw length45
  • The handle is made of high quality baking paint surface

Curved Zinc Adjustable Handle Screw, 5/16 x 30mm, Chamfered End, L45

A500-45U530

Curved Adjustable Handle Bolt, Clamping Lever Screw, Quick Handle, Fixed Handle

Quick release handles meet the richness and diversity of modern product design. Metal Handle bolt 5/16x30mm, Internal gears are thickened to enhance durability. Matte black and bright silver baking paint, significantly increase the value and quality of goods.

Compliant with ROHS & REACH, the body is made of high-strength zinc alloy to improve durability. Screws or nuts can be made according to customer's requirements, no matter what size or material, UJEN can provide customers with suggestions and production. The grip is non-scratchy, without sharp corners and burrs, and the surface is baked with high quality lacquer. Locking force is excellent, and the handle has the best design of both beauty and handling.

The threads meet Class II specifications. We are ISO9001:2015 certified, and our quality is stable. We offer a wide range of customized services, contact us for more information.

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Function

Steel fixed lever handle is ideal for quick locking of components. The high torque and ratchet-like design allows for easy hand tightening and removal, saving time and effort, and is especially suitable for use where 360 degree rotation is not possible.

Features
  • RoHS REACH compliant.
  • Thread is class 2.
  • Internal gear is enlarged to increase durability.
  • Flame-proof, heat-resistant, anti-UV properties.
  • The handle's body has a high-quality paint finish.
  • The handle does not hurt hands, no sharp angles or burrs.
  • The handle is easy to tight with a hand. the best design of beauty and grip.
  • The metal is shiny and detailed.
  • The chamfered front end of the screw makes assembly smoother and reduces wear on the mating end face.
Dimensions
Dimensional drawing of Zinc Adjustable Handle Screw
Thread Type
  • Chamfered screw
Thread Size
  • 5/16-18
Thread Material
  • Steel
Screw Length(mm/inch)
  • 30 / 1.18
Metal Finishing
  • black oxide
External Material
  • Zinc Alloy
Lever Length(mm)
  • 45
Gallery
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FAQ
Does UJEN offer thumb screw samples for evaluation?

Yes, we are more than happy to provide knob screw samples for clients to evaluate and test. We believe that actual product experience can help clients...

How can UJEN ensure its handle screw nuts meet our environmental requirements?

We understand the importance of environmental protection for our clients and society. All UJEN's handle screw nuts strictly adhere to international environmental...

If our requirements change, can UJEN flexibly adjust the order?

We understand that market demands can change, so our production and logistics systems are designed with enough flexibility to accommodate changes in customer...

How does UJEN ensure the continuous innovation and development of new knob screws?

We have a dedicated R&D team responsible for the innovation and development of new knob screws. By continuously exploring the latest technological trends,...

What long-term value does partnering with UJEN offer?

Partnering with UJEN means not only obtaining high-quality spring plungers and other hardware accessories but also represents a long-term partnership....

Are UJEN's hand knob screws and indexing plungers manufactured in Taiwan?

All our handle screws and spring plungers are manufactured in Taiwan. UJEN is committed to local production, which not only supports Taiwan's economic...


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Curved Zinc Adjustable Handle Screw, 5/16 x 30mm, Chamfered End, L45 | UJEN

UJEN's tool-free fastening solutions and custom adjustable handles are specifically designed for fitness equipment requiring frequent user adjustments. Our 45-year expertise in hand screw manufacturing ensures reliable, comfortable, and aesthetically pleasing products that enhance your equipment's market appeal. Contact us for customized solutions that streamline your production process.

UJEN's core strength lies in transforming customer concepts into market-ready products through innovative design-to-production services, technical consulting, and engineering solutions. Our tool-free fastening innovations and customization capabilities enable manufacturers to differentiate their products while reducing assembly time and improving end-user experience. Partner with UJEN to elevate your product competitiveness with premium hand screws and custom knob solutions backed by four decades of manufacturing excellence and commitment to quality craftsmanship.