Triangle Thumb Knob, M4 x 30mm, Quick-fasten, Chamfered End, D40 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Colorful grip knob can be exported. Matte touch design. No scratching, no sharp edges and burrs. Metal surface is trivalent white zinc, with stable corrosion resistance. The threads are made of Grade II standard threads. We are ISO9001:2015 certified and also provide customized services, welcome to contact us.
The upper end of the knob is a hexagonal hole, which can be quickly screwed in with an electric wrench to shorten the assembly time. Easy finger-tight Triangle screw M4x30mm, A variety of innovative and vibrant colors are available on the exposed areas to enhance corporate product recognition. Enhance the value and unique style of your products.
ROHS & REACH compliant, made of wear-resistant nylon + glass fiber material to increase service life. The design of guide angle at the end of the screw makes the assembly smoother and reduce the abrasion to the lock parts. UJEN is an ISO 9001 certification Triangle Thumb Knob, M4 x 30mm, Quick-fasten, Chamfered End, D40, Triangle plastic knob screw, Clamping knob, Thumb knob, Tighten knob bolt manufacturer from Taiwan since 1994. UJEN Development Co., Ltd., with over 45 years of expertise, specializes in manufacturing precision hand screws, knob screws, plastic knobs, adjustable handles, and indexing plungers. As an ISO 9001:2015 certified company, we offer custom solutions and professional mold-making capabilities to enhance product functionality and brand value. Our commitment to quality and innovation ensures we meet the specific needs of our customers in various industries. UJEN is a leading manufacturer of high-quality hand screws in the screw parts industry. With over 40 years of expertise in plastic injection mold development, we have specialized in crafting precision rotary knobs and handles. We offer technical consulting services and customized design solutions to provide full-service from design to production.
Triangle Thumb Knob, M4 x 30mm, Quick-fasten, Chamfered End, D40
K250-400430
Triangle plastic knob screw, Clamping knob, Thumb knob, Tighten knob bolt
Colorful grip knob can be exported. Matte touch design. No scratching, no sharp edges and burrs. Metal surface is trivalent white zinc, with stable corrosion resistance. The threads are made of Grade II standard threads. We are ISO9001:2015 certified and also provide customized services, welcome to contact us.
The upper end of the knob is a hexagonal hole, which can be quickly screwed in with an electric wrench to shorten the assembly time. Easy finger-tight Triangle screw M4x30mm, A variety of innovative and vibrant colors are available on the exposed areas to enhance corporate product recognition. Enhance the value and unique style of your products.
ROHS & REACH compliant, made of wear-resistant nylon + glass fiber material to increase service life. The design of guide angle at the end of the screw makes the assembly smoother and reduce the abrasion to the lock parts.
Function
There is a special design of a hex hole at top of the knob. Assembly personnel can tight faster with an electric screwdriver.
Three side knob is ideal for quick-fasten. It can be tightened and disassembled by a hand, saving time and effort. It is suitable for
the locations that are often adjusted.
Features
- RoHS REACH compliant.
- Thread is class 2.
- Flame-proof, heat-resistant, anti-UV properties.
- The head knob has a matte finish.
- The head knob does not hurt hands, no sharp angles or burrs.
- The knob is easy to tight with a hand. the best design of beauty and grip.
- The metal is shiny and detailed.
- Zinc-plated metal, stable corrosion resistance.
- The chamfered front end of the screw makes assembly smoother and reduces wear on the mating end face.
Dimensions
Thread Type
- Chamfered screw
Thread Size
- M4
Thread Material
- Steel
Screw Length(mm/inch)
- 30 / 1.18
Metal Finishing
- zinc plated with trivalent
External Diameter(mm)
- 37~40
External Height(mm)
- 25~28
External Material
- PA6+GF
External Shape
- Triangle
Gallery
Customized service for metal parts
The Knob Screw can be fitted with an anti-scratch pad to minimize scratches on the surface of the locked object.
Optional accessories
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Triangle Thumb Knob, M4 x 30mm, Quick-fasten, Chamfered End, D40 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Triangle Thumb Knob, M4 x 30mm, Quick-fasten, Chamfered End, D40, hand screws, knob screws, adjustable handles, grip knobs, and indexing plungers. Their commitment to customization and precision ensures each component, from hand screws to indexing plungers, meets rigorous standards. This dedication positions UJEN as a leader in supplying durable and reliable industrial components to global markets.
UJEN Development Co., Ltd. is a leading manufacturer of precision-engineered hand screws, knob screws, plastic knobs, adjustable handles, and indexing plungers for a variety of industrial needs. Our 45-year legacy, combined with ISO 9001:2015 certification, underscores our commitment to quality, innovation, and customer satisfaction. Specializing in custom solutions, we excel in professional moldmaking, enhancing equipment functionality across industries.
UJEN has been offering customers high-quality hand screws for industrial machinery since 1994, both with advanced technology and 47 years of experiences, UJEN ensures each customer's demands are met.