Manloney LLC Universal Screws M9 Hex Socket Cap Cup Bolts 1.0mm / 1.25mm Pitch Allen Screw Screws M9 Allen Screws hex Socket Cap Screw Bolt Locking Nuts Hexagon Bolts. M9 Hexagon Head Cap Screw Bolts，9mm Allen Screw Hex Socket Bolt Cap Head Screws. Material: 304 stainless steel; Standard: DIN 912; Thread Type: Coarse; Thread Class: 6H; Point Style: Hex Socket Cap; Set Screw Thread Type: Metric. Product Size: M9 x 20mm; Thread Pitch : 1.25mm; Thread Diameter: 9mm; Thread Length: 20mm; Head style: Outer hexagon; Head Height: 10mm; Head Diameter: 15.7mm. Performance: No rust high-performance, sturdy and durable, corrosion-resistant.Widely used in the construction industry, machinery industry, light industry, household, automobiles, buildings, etc. Advantage: Left-hand reverse thread design, The hex head is not easy to slip during the rotation process. The flange part acts as a flat washer, which can be locked more firmly. Note: Hex bolt with a chamfered end and washer face under the head, often called finished hex bolt, Nuts not included. The bolt is a standard part and should be measured with a standard vernier caliper.