What are the pogo pin specifications?

　　There are many types of springs, including the common compression springs, extension springs, and torsion springs. There are also unconventional shaped springs. Each product is represented differently. Now let's get to know the specifications of the lower spring.

　　In the spring industry, the default spring specification of compression springs is expressed as: φ2*12*60*15N, where 2 represents the wire diameter, 12 is the outer diameter, 60 has the free length, and 15 has the total number of turns. That is [wire diameter * outer diameter * free length * total number of turns], of course, the outer diameter can also be expressed as the middle diameter or the inner diameter, you need to specify it when writing the specification, for example: φ2*12(inner)*60 *15N. The extension spring is only reflected in the specifications: wire diameter * outer diameter * length of the spring body (or the total length including the hook). The torsion spring is only reflected in the specifications: wire diameter * outer diameter * number of turns.

　　Standard piano wire

　　Material: piano wire

　　Outer Diameter: From 0.47" (1.20mm) to 1.937" (49.2mm)

　　Load: From 0.19 lbs (0.85N) to 353 lbs (1569N)

　　Free Length: 0.120" (3.05mm) to 6.0" (152.4mm)

　　Standard Stainless Steel

　　Material: Stainless steel

　　Outer Diameter: From 0.047" (1.20mm) to 1.937" (49.2mm)

　　Load: From 0.19 lbs (0.85N) to 353 lbs (1569N)

　　Free Length: 0.120" (3.05mm) to 6.0" (152.4mm)

　　316 stainless steel

　　Material: Stainless steel 316 type according to ASTM A313

　　Outer Diameter: From 0.057" (1.45mm) to 1.687" (42.8mm)

　　Load: From 0.12 lbs (0.53N) to 96.06 lbs (427.29N)

　　Free Length: 0.120" (3.05mm) to 6.0" (152.4mm)

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