Descripción
    Spring-type stright pins - slotted, heavy duty; fastenings 
Type: ISO 8752 
Designation: SSD
Material: 
- steel (hardened 420 HV30 - 560 HV30) 
- austenitic stainless steel (cold worked) 
- martenistic stainless steel (hardened 440 HV30 - 560 HV30)