Metric: 10.9, 12.9  Grade
Inch: ASTM 5140, 35CrMo

Finsh:
plain finish,Black Oxide, Zinc Plated, Yellow Plate, Nickle Plated, Hot Dip Galvanized

Metric Size:
Dia Size: 8 mm ~20 mm 
Length Size: 75 mm to 480 mm

Inch Size:
5/16x2.1/2", 5/16x3", 5/16x3.1/2", 5/16x4", 5/16x5", 5/16x6", 5/16x7", 5/16x8", 5/16x10", 5/16x12"
3/8x3", 3/8x3.1/2", 3/8x4", 3/8x4.1/2", 3/8x5", 3/8x6", 3/8x7", 3/8x8", 3/8x9", 3/8x10", 3/8x12"
7/16x4", 7/16x5", 7/16x6", 7/16x7", 7/16x8", 7/16x9", 7/16x10", 7/16x12",
1/2x4", 1/2x4.1/2", 1/2x5", 1/2x6", 1/2x7", 1/2x8", 1/2x9", 1/2x10", 1/2x11", 1/2x12", 1/2x14"
9/16x5", 9/16x6", 9/16x7", 9/16x8", 9/16x9", 9/16x10", 9/16x11",  9/16x12", 9/16x14"
5/8x5", 5/8x6", 5/8x7", 5/8x8", 5/8x9", 5/8x10", 5/8x11", 5/8x12", 5/8x14", 9/16x14"
3/4x5", 3/4x6", 3/4x8", 3/4x9", 3/4x10", 3/4x11", 3/4x12", 3/4x14", 3/4x16"