Countersunk Allen Bolts. Allen key sizes: M3=2mm key, M4=2.5mm key, M5=3mm key, M6=4mm key, M8=5mm key. These bolts are all fully threaded.
M6, 10.9 GRADE ZINC COUNTERSUNK CSK SOCKET CAPS SCREWS, ALLEN KEY BOLTS HEX
M12, 10.9 GRADE ZINC COUNTERSUNK CSK SOCKET CAPS SCREWS, ALLEN KEY BOLTS HEX
M4 M5 M6 M8, 10.9 GRADE ZINC COUNTERSUNK CSK SOCKET CAPS SCREWS, ALLEN KEY BOLTS
M10 (10mmØ) SET SCREWS FULLY THREADED BOLTS HIGH TENSILE GRADE 8.8 ZINC PLATED
M10 x 1.25 Metric Fine 8.8 Grade High Tensile Yellow Zinc Hex Head Bolts & Sets
M10 (10mm) PART THREADED GRADE 8.8 ZINC SCREWS HEXAGON HEX HEAD BOLTS DIN 931 BW
