Product Name: Hex Flange Bolts; Dimension: M10x20mm; Rod Length: 20mm / 0.79"; Pitch: 1.5mm / 0.06"; Flange Diameter: 21mm / 0.83"; Hex Width: 14mm / 0.55"; Head Height: 9mm / 0.35"; Performance Grade: 8.8 Material: Forged with 8.8 grade carbon steel material, black oxide finish, with a high load rate, high hardness and wear resistance, strong and durable. 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. Application: It is commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket. Widely used in the construction industry, machinery industry, light industry, household, etc. Note: To tighten a reverse threaded screw, please turn it in counterclockwise. The bolt is a standard part and should be measured with a standard caliper. Description:
1. Material: Forged with 8.8 grade carbon steel material, black oxide finish, with a high load rate, high hardness and wear resistance, strong and durable.
2. 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.
3. Application: It is commonly used in assemblies that do not provide sufficient clearance for a conventional wrench or socket. Widely used in the construction industry, machinery industry, light industry, household, etc.
4. Note: To tighten a reverse threaded screw, please turn it in counterclockwise. The bolt is a standard part and should be measured with a standard caliper.

Specification:
Product Name: Hex Flange Bolts
Material: Carbon Steel
Dimension: M10x20mm
Rod Length: 20mm / 0.79"
Pitch: 1.5mm / 0.06"
Flange Diameter: 21mm / 0.83"
Hex Width: 14mm / 0.55"
Hex Thickness: 9mm / 0.35"
Performance Grade: 8.8
Surface Treatment: Oxidized Black
Package Content: 2 x Hex Head Bolt