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Detent Pin

Detent Pin is a cylindrical pin that achieves precise positioning of mechanical components by inserting preset holes or grooves. It is widely used in various mechanical devices to ensure accurate alignment and fixation of mechanical components;
  • Quick Release Detent Pin

  • PDM

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Features of Detent Ball Pin


Release Ball Lock Pins Title:

Stainless Steel Ball Lock Pins Quick Release Detent Pin 


Deterrent Pin, also known as positioning pin or braking pin; A type of locking device pin that restricts the movement of components through mechanical fitting, achieving precise positioning or one-way stopping. The typical structure includes spring-loaded steel balls/locking pins;


Product specifications and technical parameters:

Structure type: single steel ball/double steel ball locking, L-shaped/T-shaped/Ring handle;

Material: Pin body: 303 stainless steel (corrosion-resistant)

Steel ball: 440C stainless steel (high hardness)

Dia.Range:3mm-20mm or As Your Request.

Grip Length:10-150mm or Customizable

Finnish: phosphating coating (rust proof), galvanized stainless steel, Black Oxide,etc

Shank Material:Stainless Steel,Heat treated;

Pin Dia.: (Metric & Inch)

Please refer to the specification table below for details

Detent-Pin-01


Metric - Detent Pin
φA Grip LG. B C
3 10 15 20 25 30 35 40 45 50 55 60 3.5 5
4 10 15 20 25 30 35 40 45 50 55 60 4.5 5.6
5 10 15 20 25 30 35 40 45 50 55 60 5.5 6
6 10 15 20 22 23 25 30 35 40 50 57 60 70 80 90 100 7 7
6.35 20 30 40 50 7 7
8 10 15 20 25 30 35 40 45 50 55 60 70 80 90 100 9.5 8
9.5 20 30 35 40 45 50 12 9
10 20 25 30 35 40 45 50 55 60 70 80 90 100 12 9
12 20 25 30 40 50 60 70 80 90 100 14.5 10
12.7 20 25 30 35 40 45 50 88.9 14.5 10
16 20 25 30 35 40 45 50 55 60 70 80 90 100 110 120 130 140 150 19 14
20 25 30 40 50 60 70 80 90 100 110 120 130 140 23.8 17

Inch - Detent Pin

φA B C D J φHole Max φHole Min
3/16 0.204 0.2 0.187 1.00 0.193 0.189
1/4 0.286 0.312 0.22 1.00 0.255 0.251
5/16 0.358 0.375 0.25 1.00 0.318 0.314
3/8 0.426 0.5 0.25 1.00 0.380 0.376
1/2 0.57 0.625 0.25 1.25 0.506 0.501
5/8 0.71 0.75 0.375 1.25 0.631 0.626
3/4 0.856 0.937 0.375 1.50 0.758 0.751
1 1.14 1.25 0.500 1.50 1.011 1.0015

Application: 

Fixture positioning, mold module switching, safety locking mechanism (fixed with vehicle mounted tools), automation equipment, etc;


Detent-Pin-02

Operation logic:

Press the button → retract the steel ball → insert/remove the locating hole of the pin body;

Release button → Steel ball pops out → Lock workpiece position;

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