Ball Plungers
Ball and Sleeve Plunger Manufacturer
Ball and sleeve plunger - slotted ball-nose spring plungers from M3 to M16 with load ratings from 2.45 N to 55.5 N. Wholesale supply with OEM/ODM customization.
Specifications
- Type
- Ball and sleeve plunger (slotted ball-nose spring plunger)
- Thread sizes
- M3, M4, M5, M6, M8, M10, M12, M16 (coarse thread)
- Load range
- 2.45 - 55.5 N by size
- Adjustment
- Slotted end for flat-head screwdriver
- Max temperature
- 250 (per specification sheet)
- 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
A ball and sleeve plunger sets a spring-loaded ball in a threaded, slotted body. The ball presses into a mating groove to lock, index, or position a part, and the flat-head slot at the end is used for adjustment. The bodies shown are black-finished with a polished ball nose, in sizes M3 to M16.
Available Sizes and Options
Eight coarse-thread sizes from M3 to M16, with loads from 2.45 N to 55.5 N depending on size. Custom sizes, load ranges, and finishes are quoted from your drawing under our OEM/ODM service.
Slotted ball-nose spring plunger dimensions (mm), maximum temperature, and load range (N).
Nominal diameter | A | B | C | D | E | Max temperature (C) | Load min (N) | Load max (N) |
|---|---|---|---|---|---|---|---|---|
M3 | 1.5 | 3 | 8 | 1.5 | 0.5 | 250 | 2.45 | 4.45 |
M4 | 2.0 | 4 | 10 | 2.4 | 0.65 | 250 | 2.5 | 6.0 |
M5 | 2.5 | 5 | 12 | 2.5 | 0.8 | 250 | 3.0 | 6.5 |
M6 | 3.9 | 6 | 12 | 3.5 | 1 | 250 | 5.5 | 11.5 |
M8 | 4.0 | 8 | 14 | 5.0 | 1.6 | 250 | 7.0 | 12.5 |
M10 | 5.0 | 10 | 16 | 6.0 | 1.8 | 250 | 8.5 | 18.5 |
M12 | 6.0 | 12 | 20 | 8.0 | 2 | 250 | 20.5 | 39.5 |
M16 | 8.0 | 16 | 24 | 10.0 | 3.5 | 250 | 30.5 | 55.5 |
Materials and Finishes
Bodies are shown in a black finish with a polished ball nose. Material grades and surface finishes are confirmed per order - send your drawing or sample under our OEM/ODM service.
Applications
Positioning, indexing, latching, and stop functions on fixtures, jigs, and adjustable machine parts, set with a flat-head screwdriver. 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 thread size (M3 to M16), length, load range, 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.
