Drafting room methods . 1 J) = pitch =? Formula -! No. threads per inch(i = depth = pX. 04033b = radius = J) X. 1373 Acme Standard Screw Thread. Formula p = pitch = 1 No. threads per inchd = depth = 3^p+.010b = flat on top of thread = WASHERS 115 Cast Washers Government (O. G.) Standard Diameter^Inches HoleInches ThicknessInches BoltInches WeightPounds ^2K ^ 11 16 Yi y2 2M M H Vs % . 3 K 16 Ya Va 3H 1 Vs % 134 4 1^ 15 1 fi 1 m 43^ m 1 1)^ 2K 5 m m m 8 6 m 13^ W2 5 Standard Wrought Washers U. S. Standard Sizes In effect January 20. 1910 DiameterInches HoleInches Thickjiess ofWire Gauge(
Drafting room methods . 1 J) = pitch =? Formula -! No. threads per inch(i = depth = pX. 04033b = radius = J) X. 1373 Acme Standard Screw Thread. Formula p = pitch = 1 No. threads per inchd = depth = 3^p+.010b = flat on top of thread = WASHERS 115 Cast Washers Government (O. G.) Standard Diameter^Inches HoleInches ThicknessInches BoltInches WeightPounds ^2K ^ 11 16 Yi y2 2M M H Vs % . 3 K 16 Ya Va 3H 1 Vs % 134 4 1^ 15 1 fi 1 m 43^ m 1 1)^ 2K 5 m m m 8 6 m 13^ W2 5 Standard Wrought Washers U. S. Standard Sizes In effect January 20. 1910 DiameterInches HoleInches Thickjiess ofWire Gauge(Birming-ham) No BoltInches Price ter Lb. in 200 Lb. Kegs Cents Numberin 100Pound Weight pet Pieces Pounds A V^ 18 A 14. 39 400 2 53 % 516 16 1^ 15 600 % 3/^ 16 ^ 88 1 7IB 14 ys 6 800 , 1^ 1/2 14 21. m A 12 ^ 2,600. 13^ ^/^ 12 ^ 2,250 m H 10 ^/^ 2 If. .9 H 900 111. 2K 15 8 y^ 9. 782 153. 23^ ll^ 8 1 9. 568 176. 2M IM 8 13^8 9. 473 211. 3 P/^ 8 11^ . 364 261. 3^ 13^ 7 VA 275 364. 3>^ 1^/^ 7 l\4 156 390. 3% IM 7 IV^ 220 454. 4 VA 7 \Va
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Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
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Keywords: ., bo, bookcentury1900, bookdecade1910, booksubjectmechanicaldrawing
