HOBSON Countersunk Head Plain Alloy Steel UNC Hex Internal

4-40 UNC x 1/4, 4-40 UNC x 3/8, 4-40 UNC x 5/8, 4-40 UNC x 3/4, 5-40 UNC x 1/2, 5-40 UNC x 5/8, 5-40 UNC x 3/4, 6-32 UNC x 3/8, 6-32 UNC x 1/2, 6-32 UNC x 5/8, 6-32 UNC x 3/4, 8-32 UNC x 3/8, 8-32 UNC x 5/8, 8-32 UNC x 3/4, 8-32 UNC x 1, 10-24 UNC x 1/2, 10-24 UNC x 5/8, 10-24 UNC x 3/4, 10-24 UNC x 1, 10-24 UNC x 1-1/4, 10-24 UNC x 1-1/2, 1/4 UNC x 1/2, 1/4 UNC x 5/8, 1/4 UNC x 3/4, 1/4 UNC x 1, 1/4 UNC x 1-1/4, 1/4 UNC x 1-1/2, 1/4 UNC x 1-3/4, 1/4 UNC x 2, 5/16 UNC x 1/2, 5/16 UNC x 5/8, 5/16 UNC x 3/4, 5/16 UNC x 1, 5/16 UNC x 1-1/4, 5/16 UNC x 1-1/2, 5/16 UNC x 2, 5/16 UNC x 2-1/4, 5/16 UNC x 2-1/2, 3/8 UNC x 1/2, 3/8 UNC x 3/4, 3/8 UNC x 1, 3/8 UNC x 1-1/4, 3/8 UNC x 1-1/2, 3/8 UNC x 1-3/4, 3/8 UNC x 2, 3/8 UNC x 2-1/2, 3/8 UNC x 3, 7/16 UNC x 1, 7/16 UNC x 1-1/4, 1/2 UNC x 3/4, 1/2 UNC x 1, 1/2 UNC x 1-1/4, 1/2 UNC x 1-1/2, 1/2 UNC x 1-3/4, 1/2 UNC x 2, 1/2 UNC x 2-1/2, 1/2 UNC x 3, 5/8 UNC x 1-1/4, 5/8 UNC x 1-1/2, 5/8 UNC x 1-3/4, 5/8 UNC x 2, 5/8 UNC x 2-1/2, 5/8 UNC x 3, 5/8 UNC x 3-1/2, 5/8 UNC x 4, 3/4 UNC x 1-1/2, 3/4 UNC x 1-3/4, 3/4 UNC x 2, 3/4 UNC x 2-1/4, 3/4 UNC x 2-1/2, 3/4 UNC x 3, 3/4 UNC x 3-1/2, 3/4 UNC x 4, 1 UNC x 2, 1 UNC x 3, 1 UNC x 4, 1 UNC x 5, 1 UNC x 6