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Ball Spring Plunger with Flange

Spring Plunger with Flange is a ball head spring plunger with a flange mounting seat, and its ball head surface is covered with a nylon patching layer, which has dual functions of positioning accuracy and workpiece protection.

  • Ball Spring Plunger with Flange

  • PDM

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Features of Ball Spring Plunger with Flange

Ball Spring Plunger with Flange Title:

Push Fit Ball Plunger Threaded Flange Spring Plunger with Nylon Patching


Ball Head Plunger Core Feature:


Flange Design

Integrated annular flange structure, tightly attached to the substrate surface through threaded installation, disperses vibration stress and prevents loosening.

Adapt to standard metric threads (such as M6/M8), with a flange diameter larger than the threaded section to enhance stability.


Nylon Patching Layer

Engineering nylon layer (usually made of PA66 or POM material) covering the surface of the metal ball head.

effect:

Avoid scratching the surface of precision workpieces (such as glass, anodized aluminum) with metal ball heads;

Reduce motion noise, suitable for medical/optical equipment;

Spring: Stainless steel springs provide constant elastic force;

 

Body Material: Carbon Steel (Black Oxide)

Ball Material: 440C Stainless Steel  

Ball Heat Treatment: Hardened

Spring Material: Stainless Steel  

Feature: With Nylon Patching

Thread Size:M3,M4,M5,M6,M8,M10 or As your Request

Flange Diameter:5mm,6mm,7mm,8mm or Customzied

Ball Diameter:1.1mm,1.6mm,2.0mm,2.5mm or Customized

Ball Exposed Height: 1.5mm,3mm,5mm,10mm or Customized

Slotted Height: 1.5mm,1.8mm,2.0mm,2.5mm or Customized

Spring-Plunger-with-Flange-01

M d(mm) S(mm) D(mm) T(mm) e(mm) L(mm) B(mm) a(mm)
3*0.5 1.1 1.5 5 1.5 5 10 0.9 0.5
3*0.5 1.1 3 5 1.5 5 15 0.9 0.5
4*0.7 1.6 2 6 1.8 6 15 1.3 0.7
4*0.7 1.6 4 6 1.8 6 24 1.3 0.7
5*0.8 2.0 3 7 2.0 8 20 1.5 1.2
5*0.8 2.0 5 7 2.0 8 27 1.5 1.2
6*1.0 2.5 3 8 2.5 9 25 2 1.5
6*1.0 2.5 5 8 2.5 9 30 2 1.5
8*1.25 3.1 3 10 2.5 12 25 2.5 1.5
8*1.25 3.1 5 10 2.5 12 27 2.5 1.5
10*1.5 3.8 5 12 2.5 15 30 3 1.5
10*1.5 3.8 10 12 2.5 15 43 3 1.5
12*1.75 5.5 5 14 3.0 20 30 4 2.0
12*1.75 5.5 10 14 3.0 20 43 4 2.0
12*1.75 5.5 15 14 3.0 20 51 4 2.0
16*2.0 8.0 10 18 3.0 25 60 5 2.0
16*2.0 8.0 15 18 3.0 25 60 5 2.0
16*2.0 8.0 20 18 3.0 25 85 5 2.0
16*2.0 8.0 30 18 3.0 25 125 5 2.0
16*2.0 8.0 40 18 3.0 25 125 5 2.0


Customization Services

Material Combinations‌: Flexible selection of body, ball, and spring materials;

Dimensions & Parameters‌: Adjustable body diameter, ball size, and spring force to meet non-standard requirements

Applications

Mold positioning, food machinery, electronic equipment assembly, medical device cushioning, etc.

Spring-Plunger-with-Flange-02


Ball Plunger Spring Loaded Key points for installation and maintenance


Manual pre positioning

Insert the plunger vertically into the base hole and rotate clockwise until the flange bottom fully contacts the base;

Use an open-end wrench to clamp the flange hexagon and tighten the bolts in three diagonal steps;



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