Knurled Flat Knob Screw, 1/4 x 40mm, Chamfered End, D30 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Colorful grip flat knob can be mass produced and exported. UJEN R&D Knurled Screw 1/4x40mm, Metal surface coated with environmentally friendly trivalent white zinc, stable corrosion resistance, fine surface gloss. Meets Class II specification. The macaron-colored knob increases product and corporate recognition. Create a unique style for your products and enhance the value of your products.
Comply with ROHS & REACH certification, the body is made of strong nylon + glass fiber material to enhance the usage life. We can advise and produce according to customer's needs, no matter what size or material. No scratching at the hand rotation, no sharp edges and burrs. Matte surface texture appearance.
ISO9001:2015 certified, high quality products and services. We provide a wide range of customized services, welcome to contact us. Different from the traditional shape of metal flat knobs, the innovative design of curved shape is ergonomic and can be easily tightened. UJEN is an ISO 9001 certification Knurled Flat Knob Screw, 1/4 x 40mm, Chamfered End, D30, Knurled plastic knob screw, Grip 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.
Knurled Flat Knob Screw, 1/4 x 40mm, Chamfered End, D30
K320-30U440
Knurled plastic knob screw, Grip knob, Thumb knob, Tighten knob bolt
Colorful grip flat knob can be mass produced and exported. UJEN R&D Knurled Screw 1/4x40mm, Metal surface coated with environmentally friendly trivalent white zinc, stable corrosion resistance, fine surface gloss. Meets Class II specification. The macaron-colored knob increases product and corporate recognition. Create a unique style for your products and enhance the value of your products.
Comply with ROHS & REACH certification, the body is made of strong nylon + glass fiber material to enhance the usage life. We can advise and produce according to customer's needs, no matter what size or material. No scratching at the hand rotation, no sharp edges and burrs. Matte surface texture appearance.
ISO9001:2015 certified, high quality products and services. We provide a wide range of customized services, welcome to contact us. Different from the traditional shape of metal flat knobs, the innovative design of curved shape is ergonomic and can be easily tightened.
Function
The flat knob has a multi-curved exterior that is ergonomically designed for optimal handling.
This product 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
- 1/4-20
Thread Material
- Steel
Screw Length(mm/inch)
- 40 / 1.57
Metal Finishing
- zinc plated with trivalent
External Diameter(mm)
- 29~32
External Height(mm)
- 5~8
External Material
- PA6+GF
External Shape
- Knurled
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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Knurled Flat Knob Screw, 1/4 x 40mm, Chamfered End, D30 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Knurled Flat Knob Screw, 1/4 x 40mm, Chamfered End, D30, 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.