How To Choose Hole Punches For Hardware



Snap Fasteners




Make the same size holes for both male parts and female parts.

Snap Fastener - Small= Round Hole Punch #8
Snap Fastener - Large= Round Hole Punch #12


Rivets




Make a hole for convex tube of the female part.

Rivet 3.5 mm = Round Hole Punch #4
Rivet 5 mm = Round Hole Punch #6
Rivet 6 mm = Round Hole Punch #8
Rivet 9 mm = Round Hole Punch #10
Rivet 12 mm = Round Hole Punch #12


Spring Snap Fasteners




Make different size holes for male parts and female parts.

Spring Snap Fastener - Small
Round Hole Punch #7
Round Hole Punch #15
Spring Snap Fastener - Medium
Round Hole Punch #7
Round Hole Punch #15
Spring Snap Fastener - Large
Round Hole Punch #8
Round Hole Punch #18


Grommets






Grommet No.23 = Round Hole Punch #30
Grommet No.28 = Round Hole Punch #40
Grommet No.300 = Round Hole Punch #15
Grommet No.500 = Round Hole Punch #20