Hexagon head bolts ANSI B18.2.1 sim. to DIN 933 / 931 Material: stainless steel 1. #6-32x1-1/4". 2. #8-32x1-1/4". 3. #10-24x1-1/2". 4. #10-32x1-1/2". 5. 1/4-20x2". 6. 1/4-28x2". 7. 5/16-18x2" 8. 3/8-16 x2". 9. 1/2-13 x3". Quantity - 1 000 pcs of each