[Head type]

1.       flat head

2.       countersunk head

3.       small countersunk head

[Column type]

1.       park rod type

2.       groove

3.       hexagonal (semi-hexagonal)

[Column type]

Carbon steel, aluminum, stainless steel and so on.

[Product specifications]

1. M3, M4, M5, M6, M8, M10, M12

2. 6-32, 8-32, 10-32, 1/4-20, 5/16-18, 3/8-16, 1/2-13