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.

Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin5 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery

Spring loaded pull pin are manufactured using properly sourced ingredients. The small pin can be used in places where space is limited or where the product is not large, and it is convenient to pull up with your fingers. The metal parts of the pulling pin are made by CNC lathe, so the small tolerance can reduce the wobble and make the 5mm center pin have higher load capacity. The threads are M8x1.0x20mm in accordance with Grade 2 threads. Other sizes and materials are also available to suit customer requirements. The hand-pulled part can be used as a knob to drive the screw to fasten the workpiece. This part is produced using a high tenacity nylon reinforced material and a matte, high quality design from a mold made by UJEN. Non-scratching, no sharp edges, no burrs, and a variety of colors to create a unique style of goods. Overall compliance with RoHS, REACH, SGS regulations. UJEN is an ISO 9001 certification Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin5, Spring loaded pull pin, Indexing plunger, Pop pin 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.

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Spring loaded pull pin, Indexing plunger, Pop pin | Enhance Your Equipment with Durable Knob Screws for Easy Adjustment"

Lock mini pull pin M8xP1.0x20mm PIN5mm Appearance | Customizable knob screws from Taiwan

Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin5 - Lock mini pull pin M8xP1.0x20mm PIN5mm Appearance
  • Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin5 - Lock mini pull pin M8xP1.0x20mm PIN5mm Appearance
  • Four different shapes (concave, plane, convex and dot) with shaped knobs
  • 49 color combinations for customers to choose from at top of the pull pin
  • Indexing plunger can match the unique macaroon color system developed by UJEN, or customize the color to meet your needs.

Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin5

PSK300F-2108200506

Spring loaded pull pin, Indexing plunger, Pop pin

Spring loaded pull pin are manufactured using properly sourced ingredients. The small pin can be used in places where space is limited or where the product is not large, and it is convenient to pull up with your fingers. The metal parts of the pulling pin are made by CNC lathe, so the small tolerance can reduce the wobble and make the 5mm center pin have higher load capacity. The threads are M8x1.0x20mm in accordance with Grade 2 threads. Other sizes and materials are also available to suit customer requirements. The hand-pulled part can be used as a knob to drive the screw to fasten the workpiece. This part is produced using a high tenacity nylon reinforced material and a matte, high quality design from a mold made by UJEN. Non-scratching, no sharp edges, no burrs, and a variety of colors to create a unique style of goods. Overall compliance with RoHS, REACH, SGS regulations.

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Function

Small spring pin with rest position is ideal for fast fixing of parts, especially when the pins are constantly being removed and relocked. Pull up the knob, as the pin is pulled as well so as to allow users to quickly adjust expansion tubing. Insert back after release the knob. This pull pin can clamped the tubing with tightened by a hand (no tools needed). After the knob is pulled up, it can rest by rotated 30 degrees. It is convenient to adjust the tube with both hands. Rotated *directly to insert back after adjusting.

*This is an improved function. The old version have to "be pulled up and rotated" to insert back. The new version just be rotated directly without pulled.

Features
  • RoHS REACH compliant.
  • Pull and release process smoother.
  • 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 fitting tolerance between metal parts is small, reducing sway.
  • The rounded corner of the Plunger's front end increases smoothness of insertion.
  • The chamfered front end of the screw makes assembly smoother and reduces wear on the mating end face.
Dimensions
Dimensioning
Thread Size
  • M8 x 1.0
Thread Material
  • Steel
Screw Length(mm/inch)
  • 20 / 0.79
Plunger Diameter(mm)
  • 5
Metal Finishing
  • zinc plated with trivalent
External Diameter(mm)
  • 21~24
External Height(mm)
  • 21~24
External Material
  • PA6+GF
External Shape
  • Circle
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Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin5 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery

Based in Taiwan since 1994, UJEN DEVELOPMENT CO., LTD. expertise in manufacturing high-quality Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin5, 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.