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Call 800.832.WIRE
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1.800.832.WIRE
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Calculating Spiral Binding Wire Consumption
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Formula:
A. (Coil Diameter x 3.1416) x Number of punched hole per page = Inches of wire per book
B. Inches per book x Number of books to be bound = inches of wire for job
C. Inches of wire for job / 12 = Feet of wire required for job
D. Feet of wire required / Feet per pound (see chart below) = Pounds required for job
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Wire Diameter
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Ft. per Lb.
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inch
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mm
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*Steel
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Nylon Coated
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.028
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0.70
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478.11
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576.46
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.031
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0.80
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390.05
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461.49
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.035
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0.90
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305.99
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354.88
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.037
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0.90
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273.81
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314.93
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.041
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1.04
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222.99
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252.89
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.047
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1.20
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169.69
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189.29
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Spiral Binding Wire Specifications and Yield
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Book Thickness
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Coil Diameter
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Wire Diameter
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Pitch
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Lbs. per 1,000 Books
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inches
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mm
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inches
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mm
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inches
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mm
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8 1/2"
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11"
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14"
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1/8
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3
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.256
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6.5
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.028
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0.70
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5:1
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6.03
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7.57
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9.67
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5/32
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4
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.315
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8.0
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.031
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0.80
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5:1
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9.09
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11.42
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14.6
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1/4
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6
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.394
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10.0
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.031
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0.80
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5:1
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11.37
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14.28
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18.25
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5/16
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8
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.473
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12.0
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.035
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0.90
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4:1
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13.80
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17.46
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22.33
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13/32
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10
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.550
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14.0
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.035
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0.90
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4:1
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15.53
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20.23
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25.88
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15/32
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12
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.630
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16.0
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.037
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0.95
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4:1
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20.54
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25.98
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33.23
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9/16
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14
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.710
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18.0
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.037
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0.95
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4:1
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22.39
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29.17
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37.31
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5/8
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16
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.790
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20.0
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.037
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0.95
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4:1
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24.91
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32.46
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41.52
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11/16
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18
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.890
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22.5
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.041
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1.04
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3.2:1
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28.21
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36.57
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45.97
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3/4
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19
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.980
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25.0
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.041
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1.04
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3.2:1
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31.06
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40.27
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50.62
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7/8
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21
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1.080
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27.5
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.047
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1.20
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3.2:1
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44.91
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58.21
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73.18
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1
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25
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1.180
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30.0
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.047
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1.20
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3.2:1
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49.06
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63.6
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79.95
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1 1/16
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27
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1.300
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33.0
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.047
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1.20
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3.2:1
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54.05
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70.07
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88.09
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1 1/8
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29
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1.380
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35.0
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.047
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1.20
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3.2:1
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57.38
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74.38
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93.51
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© 2005 TechStrand
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