1000 SCHRAUBEN 4 x 20 mm EDELSTAHL TORX STIFT KNOPFKOPF SELBSTSCHNEIDEND TX20 T20
TORX TX20 T20 PIN DRIVE. TO DRIVE THE SCREWS YOU CAN ONLY USE T20 TX20 PIN TYPE TORX SECURITY BITS. BUTTON HEAD - SELF TAPPING SCREWS. PARALLEL THREADED SELF TAPPING SCREWS. 4 X 20mm No.8 X 3/4" #8 X 0.75".