. 12.9 Alloy, Min. ductile : 176,900 psi ; ? . : DIN 912, ISO 4762 ; ? . Hex Socket Head Cap. Fully ; ? . to Store : The Screws Kit Comes in an Easy-use Separated Girds fictile Case ; *** Specification *** -- Item ---------------------- Head Dia. ---------- Head Height --------- Thread Length ------- unconditional Length x 20 mm ------------------ 5.5 mm/0 .22 '' ------- 3mm/0 .12 '' ------------- 20 mm ------------- 23 mm M3 x 25 mm ------------------ 5.5 mm/0 .22 '' ------- 3mm/0 .12 '' ------------- 25 mm ------------- 28 mm M3 x 30 mm ------------------ 5.5 mm/0 .22 '' ------- 3mm/0 .12 '' ------------- 30 mm ------------- 33 mm M3 x 35 mm ------------------ 5.5 mm/0 .22 '' ------- 3mm/0 .12 '' ------------- 35 mm ------------- 38 mm *** Package Quantity *** M3 x 20 mm ------------------ 25 Pcs M3 x 25 mm ------------------ 25 Pcs M3 x 30 mm ------------------ 25 Pcs M3 x 35 mm ------------------ 25 Pcs ------------------------------- unconditional : 100 Pcs .