Small Indexing Plunger with Circle Clamping Knob, M8 x 1.0 x 20mm, D21, pin5 | Achieve Ergonomic Efficiency with Adjustable Handles for Machinery
For specialized machinery or AV systems requiring small plungers, UJEN’s M8–M16 range and 4–10mm pin sizes offer broad coverage. The knob features a ring plus four style variants, along with 7 color disc/ring combos. Taiwan CNC and mold expertise ensure accurate, durable locking, while wood fiber or oyster shell plastic addresses eco concerns. ISO9001-certified, UJEN meets large-volume or custom demands, delivering improved handling and branding for B2B sectors in sports, automotive-aerospace, medical, and semiconductors. UJEN is an ISO 9001 certification Small Indexing Plunger with Circle Clamping Knob, 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.
Small Indexing Plunger with Circle Clamping Knob, M8 x 1.0 x 20mm, D21, pin5
PSK300-2108200506
Spring loaded pull pin, Indexing plunger, Pop pin
For specialized machinery or AV systems requiring small plungers, UJEN’s M8–M16 range and 4–10mm pin sizes offer broad coverage. The knob features a ring plus four style variants, along with 7 color disc/ring combos. Taiwan CNC and mold expertise ensure accurate, durable locking, while wood fiber or oyster shell plastic addresses eco concerns. ISO9001-certified, UJEN meets large-volume or custom demands, delivering improved handling and branding for B2B sectors in sports, automotive-aerospace, medical, and semiconductors.
Function
Small spring pin 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).
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
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
Gallery
- Related ProductsFAQ
Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin5
PSK300F-2108200506
If your small medical or sports device has limited space but needs a spring plunger, UJEN’s...
Details Add to List
Small Indexing Plunger with Circle Clamping Knob, M8 x 1.0 x 20mm, D21, pin4
PSK300-2108200406
For mini machinery using screws or knobs, precise locking and appealing design matter. UJEN’s...
Details Add to List
Small Indexing Plunger with Circle Clamping Knob, M8 x 1.0 x 20mm, D21, pin6
PSK300-2108200606
Small medical devices or sports gear often demand higher locking precision, and UJEN’s compact...
Details Add to List
Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin4
PSK300F-2108200406
Need a spring plunger while also performing other tasks? UJEN’s mini plungers do it: M8–M16,...
Details Add to List
Small Indexing Plunger with Circle Clamping Knob, rest position, M8 x 1.0 x 20mm, D21, pin6
PSK300F-2108200606
In semiconductors or specialized machinery, oversized spring plungers may not fit, so UJEN’s...
Details Add to List
Download Popular Products
Small Indexing Plunger with Circle Clamping Knob, 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, 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.
