Amazon.co.jp: 12.9 level hex hole screw with extension bolt, high strength black screw with hexagonal hole for alloy steel cup head M6 * 50mm(only 100pcs) : Industrial & Scientific
Amazon.com: M6 x 12mm (8mm to 100mm Available) Socket Head Cap Screws Bolts, Grade 12.9 Alloy Steel Black Oxide, Allen Socket Drive, Machine Thread, 50 PCS : Industrial & Scientific
Amazon.com: Bolt Base (6mm) M6 x 12 Black 12.9 Grade High Tensile Hex Socket Cap screws Self Colour Allen Bolts DIN 912 - 10 Pack : Industrial & Scientific
Amazon.com: M6 x 30mm (8mm to 100mm Available) Socket Head Cap Screws Bolts, Grade 12.9 Alloy Steel Black Oxide, Allen Socket Drive, Machine Thread, 25 PCS : Industrial & Scientific
M6 x 12mm Hex Head Screw Bolt, Fully Threaded, Alloy Steel Grade 12.9, Black Oxide Finish, Quantity 25: Amazon.com: Industrial & Scientific
Amazon.com: uxcell M6 x 85mm 12.9 Alloy Steel Cap Head Hex Socket Screws Fasteners 10 Pcs : Industrial & Scientific
Amazon.com: Bolt Base (6mm) M6 x 75 Black 12.9 Grade High Tensile Hex Socket Cap screws Self Colour Allen Bolts DIN 912 - 5 Pack : Industrial & Scientific
Amazon.co.jp: 12.9 grade hex screws High strength alloy steel bolts and screws-M6*65mm (2 half teeth) : 産業・研究開発用品
Amazon.com: M6-1.0 x 8mm Socket Head Cap Screws, 12.9 Grade Alloy Steel, Allen Socket Drive, Black Oxide Finish, Machine Thread, 40 PCS : Industrial & Scientific