Spring Plunger
Knob Style Retractable Spring Plungers
Knob style retractable spring plungers - press-fit retractable plungers with flat head (T210) or round head (T211), light load 0.49 to 1.96 N. Wholesale supply with OEM/ODM customization.
Specifications
- Type
- Knob style retractable spring plunger (press-fit)
- Models
- T210 (flat head) and T211 (round head)
- Body diameters (Dh7)
- 1.5 / 2 / 3 / 4 / 5 mm
- Load
- Light load, 0.49 - 1.96 N by size
- Materials
- Main body SUS303; pin SUS304; spring SUS304
- Usable temperature
- -30 to 140 C
- Customization
- OEM/ODM to drawing or sample
- Brand
- SKN Fastener Co., Ltd.
- Origin
- Made in Shenzhen, China
- Quotation
- Send drawing or sample to sales@sknfastener.com
Overview
Knob style retractable spring plungers use a press-fit body with a collared head. The pin retracts when pressed and springs back to hold the mating part. Two head styles are available: flat head (T210) and round head (T211).
Available Sizes and Options
Five press-fit body diameters from 1.5 mm to 5 mm, held to h7 tolerance, with light load values from 0.49 N to 1.96 N. Custom sizes are quoted from your drawing under our OEM/ODM service.
Retractable spring plunger dimensions (mm) and light load range (N).
Type | Dh7 | S | d | D1 | L | C | Light load min (N) | Light load max (N) |
|---|---|---|---|---|---|---|---|---|
T210 / T211 | 1.5 | 1.5 | 0.5 | 2 | 9.5 | 0.05 | 0.49 | 0.98 |
T210 / T211 | 2 | 1.5 | 1 | 2.5 | 8 | 0.1 | 0.49 | 0.98 |
T210 / T211 | 3 | 3 | 2 | 3.5 | 10 | 0.15 | 0.49 | 1.47 |
T210 / T211 | 4 | 3 | 3 | 4.5 | 10 | 0.2 | 0.59 | 1.47 |
T210 / T211 | 5 | 4 | 4 | 5.5 | 11.5 | 0.3 | 0.64 | 1.96 |
Materials and Finishes
Main body: SUS303. Pin: SUS304. Spring: SUS304. Usable temperature: -30 to 140 C. Load classification: light load. Special materials follow your drawing.
Applications
Latches, positioners, and detents on panels, covers, and equipment where a compact retractable pin is pushed and released. SKN fasteners serve six industries: manufacturing, aviation equipment, industrial equipment, medical devices, stage and entertainment, and the marine industry.
Buyer FAQs
Q: What information do you need to quote?
A: The head style (flat T210 or round T211), body diameter, and quantity. A drawing or sample speeds everything up.
Q: Can you manufacture from a drawing or sample?
A: Yes. Send the drawing or sample and we manufacture to match under our OEM/ODM service.
Q: Do you supply bulk orders worldwide?
A: Yes. We supply B2B customers, wholesalers, and OEM clients worldwide from Shenzhen with export packing.
