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The Pip Pin® The original 'pip pin', manufactured by Avdel in England and now no longer in production. The registered trade mark pip-pin® has become a general term for a ball lock fastener. The 3201 series pip pin was a steel double action pin with it's characteristic loop handle. The pip pin was sized by diameter in 1/16" and grip in 1/10" , so a 0615 was 6/16" diameter with a grip of 15/10", and this number was stamped on the pin - 3201-0615 The pip pin was originally supplied cadmium plated and was approved by AGS as AGS 2105-xxxx SDM 205, CAA E1130
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Above - stamped 3201 sizing
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Primary Fasteners
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