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Business Form Perforating Rule
All Seaboard Business Form Perforating is made from 50 Rockwell
steel with a higher carbon content for increased durability. We use the
"Punch then Grind" method to eliminate burrs which can tear the form
as it is being perforated.
We offer an extensive line of tooth and tie combinations in both center
and side bevel so you can tailor a product to your application. A
complete list of our standard products is shown in the chart below. All
Seaboard perforating rules are available in convenient cut lengths or economical coils.
Standard 2 Pt. Perforating Rule Standard Tooth and Space Availability Chart
Standard Heights .750 (19.05 mm)", .918 (23.32 mm)", & .938 (23.82 mm)"
Side Or Center Bevel
|
TPI x Space |
Decimal Equivalent (Inches) |
Metric Equivalant (mm) |
TPI x Space |
Decimal Equivalent (Inches) |
Metric Equivalent (mm) |
3 x .032" |
.301" x .032" |
7.65 x 0.81
|
7 x 0.36" |
.107" x .036 |
2.74 x 0.91 |
3 x .035" |
.298" x .035" |
7.65 x 0.90 |
7 x 0.40" |
.103" x .040 |
2.64 x 1.02 |
3 x .038" |
.295" x .038" |
7.57 x 0.97 |
8 x 0.30" |
.095" x .030 |
2.41 x 0.76 |
3 x .040" |
.293" x .040" |
7.44 x 1.02 |
8 x 0.32" |
.093" x .032 |
2.36 x 0.81 |
3 x .045" |
.288" x .045" |
7.32 x 1.14 |
8 x 0.36" |
.089" x .036 |
2.26 x 0.91 |
3 x .050" |
.283" x .050" |
7.26 x 1.28
|
8 x 0.38" |
.087" x .038 |
2.23 x 0.97 |
4 x .032" |
.218" x .032" |
5.54 x 0.81 |
8 x 0.39" |
.086" x .039 |
2.20 x 1.00 |
4 x .035" |
.215" x .035" |
5.51 x 0.90 |
8 x 0.40" |
.085" x .040 |
2.16 x 1.02 |
4 x .036" |
.214" x .036" |
5.49 x 0.92 |
8 x 0.42" |
.083" x .042 |
2.11 x 1.07 |
4 x .039" |
.211" x .039" |
5.41 x 1.00 |
8 x 0.45" |
.080" x .045 |
2.03 x 1.14 |
4 x .040" |
.210" x .040" |
5.33 x 1.02 |
8 x 0.48" |
.077" x .048 |
1.97 x 1.23 |
4 x .042" |
.208" x .042" |
5.28 x 1.07
|
8 x 0.50" |
.075" x .050 |
1.91 x 1.27 |
4 x .045" |
.205" x .045" |
5.21 x 1.14 |
8 x 0.55" |
.070" x .055 |
1.79 x 1.41 |
4 x .048" |
.202" x .048" |
5.18 x 1.23 |
9 x 0.32" |
.079" x .032 |
2.01 x 0.81 |
4 x .050" |
.200" x .050" |
5.08 x 1.27 |
9 x 0.36" |
.075" x .036 |
1.93 x 0.92 |
4 x .055" |
.195" x .055" |
4.95 x 1.40 |
9 x 0.40" |
.071" x .040 |
1.80 x 1.02 |
4 x .060" |
.190" x .060" |
4.83 x 1.52 |
9 x 0.42" |
.069" x .042 |
1.77 x 1.07 |
4 x .062" |
.188" x .062" |
4.78 x 1.57
|
9 x 0.45" |
.066" x .045 |
1.70 x 1.14 |
4 x .065" |
.185" x .065" |
4.70 x 1.65 |
10 x 0.30" |
.070" x .030 |
1.78 x 0.76 |
5 x .032" |
.168" x .032" |
4.27 x 0.81 |
10 x 0.32" |
.068" x .032 |
1.73 x 0.81 |
5 x .035" |
.165" x .035" |
4.23 x 0.90 |
10 x 0.35" |
.065" x .035 |
1.65 x 0.89 |
5 x .036" |
.164" x .036" |
4.20 x 0.92 |
10 x 0.36" |
.064" x .036 |
1.64 x 0.92 |
5 x .040" |
.160" x .040" |
4.06 x 1.02 |
10 x 0.38" |
.062" x .038 |
1.59 x 0.97 |
5 x .045" |
.155" x .045" |
3.94 x 1.14
|
10 x 0.40" |
.060" x .040 |
1.52 x 1.02 |
5 x .048" |
.152" x .048" |
3.89 x 1.19 |
10 x 0.42" |
.058" x .042 |
1.49 x 1.07 |
5 x .050" |
.150" x .050" |
3.81 x 1.27 |
10 x 0.45" |
.055" x .045 |
1.41 x 1.14 |
5 x .055" |
.145" x .055" |
3.72 x 1.40 |
10 x 0.50" |
.050" x .050 |
1.27 x 1.27 |
5 x .060" |
.140" x .060"
|
3.59 x 1.52
|
10 x 0.55" |
.045" x .055 |
1.15 x 1.40 |
6 x 0.32" |
.135" x .032" |
3.43 x 0.81 |
10 x 0.60" |
.040" x .060 |
1.03 x 1.52 |
6 x 0.35" |
.132" x .035" |
3.38 x 0.90 |
10 x 0.62" |
.038" x .062 |
0.97 x 1.57 |
6 x 0.36" |
.131" x .036" |
3.33 x 0.91 |
11 x 0.32" |
.059" x .032 |
1.50 x 0.81 |
6 x 0.38" |
.129" x .038" |
3.30 x 0.97 |
12 x 0.30" |
.053" x .030 |
1.35 x 0.76 |
6 x 0.40" |
.127" x .040" |
3.23 x 1.02 |
12 x 0.32" |
.051" x .032 |
1.30 x 0.81 |
6 x 0.42" |
.125" x .042" |
3.18 x 1.07
|
12 x 0.35" |
.048" x .035 |
1.22 x 0.89 |
6 x 0.45" |
.122" x .045" |
3.10 x 1.14 |
12 x 0.36" |
.047" x .036 |
1.21 x 0.92 |
6 x 0.50" |
.117" x .050" |
2.97 x 1.27 |
12 x 0.38" |
.045" x .038 |
1.16 x 0.97 |
6 x 0.55" |
.112" x .055" |
2.84 x 1.40 |
12 x 0.40" |
.043" x .040 |
1.09 x 1.02 |
6 x 0.58" |
.109" x .058" |
2.79 x 1.49 |
12 x 0.45" |
.038" x .045 |
0.98 x 1.14 |
6 x 0.60" |
.107" x .060" |
2.74 x 1.54 |
12 x 0.50" |
.033" x .050 |
0.85 x 1.27 |
6 x 0.62" |
.105" x .062" |
2.68 x 1.59 |
14 x 0.32" |
.039" x .032 |
0.99 x 0.81 |
6 x 0.65" |
.102" x .065" |
2.61 x 1.66 |
16 x 0.32" |
.031" x .032 |
0.79 x 0.81 |
7 x 0.32" |
.111" x .032" |
2.82 x 0.81 |
16 x 0.35" |
.044" x .035 |
0.71 x 0.89 |
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17 x 0.32" |
.026" x .032" |
0.69 x 0.81 |
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