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MRW  ROCK CRAWLER BEADLOCK WHEELS 15"WHEEL 16"WHEEL 16.5"WHEEL 17"WHEEL 18"WHEEL 20"WHEEL
MRW  OFF ROAD WHEELS 15"WHEEL 16"WHEEL 16.5"WHEEL 17"WHEEL 18"WHEEL 20"WHEEL
MRW MANUFACTURERS OF "CUSTOM BUILT" MOTORSPORT WHEELS SINCE 1955

 

DRILL, TAP, WIRE GAUGE CHARTS

MRW WILL NOT BE LIABLE FOR ANY MISINFORMATION OR TYPING ERRORS -- THIS LISTING IS FOR REFERENCE ONLY  

TECHNICAL CHARTS

 SCHOENFELD HEADERS |

NUMBER, FRACTION AND LETTER, DRILL CHART

Fract. Decimal Wire Metric   Fract. Decimal Wire Metric   Fract. Decimal Wire Metric
 
  0.0098   0.25   0.1065 36     0.3480 S  
  0.0118   0.30 7/64 0.1094       0.3543   9.00
  0.0135 80     0.1100 35     0.3580 T  
  0.0138   0.35   0.1102   2.80 23/64 0.3594    
  0.0145 79     0.1110 34     0.3680 U  
1/64 0.0156       0.1130 33     0.3740   9.50
  0.0157   0.40   0.1142   2.90 3/8 0.3750    
  0.0160 78     0.1160 32     0.3770 V  
  0.0177   0.45   0.1181   3.00   0.3860 W  
  0.0180 77     0.1200 31   25/64 0.3906    
  0.0197   0.50 1/8 0.1250       0.3937   10.00
  0.0200 76     0.1285 30     0.3970 X  
  0.0210 75     0.1360 29     0.4040 Y  
  0.0217   0.55   0.1378   3.50 13/32 0.4063    
  0.0225 74     0.1405 28     0.4130 Z  
  0.0236   0.60 9/64 0.1406       0.4134   10.50
  0.0240 73     0.1440 27   27/64 0.4219    
  0.0250 72     0.1470 26     0.4331   11.00
  0.0256   0.65   0.1495 25   7/16 0.4375    
  0.0260 71     0.1520 24     0.4528   11.50
  0.0276   0.70   0.1540 23   29/64 0.4531    
  0.0280 70   5/32 0.1563     15/32 0.4688    
  0.0292 69     0.1570 22     0.4724   12.00
  0.0295   0.75   0.1575   4.00 31/64 0.4844    
  0.0310 68     0.1590 21     0.4921   12.50
1/32 0.0313       0.1610 20   1/2 0.5000    
  0.0315   0.80   0.1660 19     0.5118   13.00
  0.0320 67     0.1695 18   33/64 0.5156    
  0.0330 66   11/64 0.1719     17/32 0.5313    
  0.0335   0.85   0.1730 17     0.5315   13.50
  0.0350 65     0.1770 16   35/64 0.5469    
  0.0354   0.90   0.1772   4.50   0.5512   14.00
  0.0360 64     0.1800 15   9/16 0.5625    
  0.0370 63     0.1820 14     0.5709   14.50
  0.0374   0.95   0.1850 13   37/64 0.5781    
  0.0380 62   3/16 0.1875       0.5905   15.00
  0.0390 61     0.1890 12   19/32 0.5938    
  0.0394   1.00   0.1910 11   39/64 0.6094    
  0.0400 60     0.1935 10     0.6102   15.50
  0.0410 59     0.1960 9   5/8 0.6250    
  0.0420 58     0.1968   5.00   0.6299   16.00
  0.0430 57     0.1990 8   41/64 0.6406    
  0.0433   1.10   0.2010 7     0.6496   16.50
  0.0465 56   13/64 0.2031     21/32 0.6563    
3/64 0.0469       0.2040 6     0.6693   17.00
  0.0472   1.20   0.2055 5   43/64 0.6719    
  0.0512   1.30   0.2090 4   11/16 0.6875    
  0.0520 55     0.2130 3     0.6890   17.50
  0.0550 54     0.2165   5.50 45/64 0.7031    
  0.0551   1.40 7/32 0.2188       0.7087   18.00
  0.0591   1.50   0.2210 2   23/32 0.7188    
  0.0595 53     0.2280 1     0.7283   18.50
1/16 0.0625       0.2340 A   47/64 0.7344    
  0.0630   1.60 15/64 0.2344       0.7480   19.00
  0.0635 52     0.2362   6.00 3/4 0.7500    
  0.0669   1.70   0.2380 B   49/64 0.7656    
  0.0670 51     0.2420 C     0.7677   19.50
  0.0700 50     0.2460 D   25/32 0.7813    
  0.0709   1.80 1/4 0.2500 E     0.7874   20.00
  0.0730 49     0.2559   6.50 51/64 0.7969    
  0.0748   1.90   0.2570 F     0.8071   20.50
  0.0760 48     0.2610 G   13/16 0.8125    
5/64 0.0781     17/64 0.2656       0.8268   21.00
  0.0785 47     0.2660 H   53/64 0.8281    
  0.0787   2.00   0.2720 I   27/32 0.8438    
  0.0810 46     0.2756   7.00   0.8465   21.50
  0.0820 45     0.2770 J   55/64 0.8594    
  0.0827   2.10   0.2810 K     0.8661   22.00
  0.0860 44   9/32 0.2813     7/8 0.8750    
  0.0866   2.20   0.2900 L     0.8858   22.50
  0.0890 43     0.2950 M   57/64 0.8906    
  0.0906   2.30   0.2953   7.50   0.9055   23.00
  0.0935 42   19/64 0.2969     29/32 0.9063    
3/32 0.0938       0.3020 N   59/64 0.9219    
  0.0945   2.40 5/16 0.3125       0.9252   23.50
  0.0960 41     0.3150   8.00 15/16 0.9375    
  0.0980 40     0.3160 O     0.9449   24.00
  0.0984   2.50   0.3230 P   61/64 0.9531    
  0.0995 39   21/64 0.3281       0.9646   24.50
  0.1015 38     0.3320 Q   31/32 0.9688    
  0.1024   2.60   0.3346   8.50   0.9842   25.00
  0.1040 37     0.3390 R   63/64 0.9844    
  0.1063   2.70 11/32 0.3438     1 1.0000    
 
Fract. Decimal Wire  Metric Fract. Decimal Wire  Metric Fract. Decimal Wire  Metric

 

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Drill Tap Chart

  
 

Inch

 Inch

Metric

 Metric

    
  Coarse Thread   Fine Thread   Coarse Thread     Fine Thread    
  Tap  Drill   Tap Drill   Tap Drill   Tap Drill  
  #0-80 3/64"   #1-72 #53   1mm x .25 .75mm   4 mm x .35 3.6mm  
  #1-64 #53   #2-64 #50   1.1 x .25 .85   4 x .5 3.5  
  #2-56 #51   #3-56 #46   1.2 x .25 .95   5 x .5 4.5  
  #3-48 5/64"   #4-48 #42   1.4 x .3 1.1   6 x .5 5.5  
  #4-40 #43   #5-44 #37   1.6 x .35 1.25   6 x .75 5.25  
  #5-40 #39   #6-40 #33   1.7 x .35 1.3   7 x .75 6.25  
  #6-32 #36   #8-36 #29   1.8 x .35 1.45   8 x .5 7  
  #8-32 #29   #10-32 #21   2 x .4 1.6   8 x .75 7.25  
  #10-24 #25   #12-28 #15   2.2 x .45 1.75   8 x 1 7.5  
  #12-24 #17   1/4-28 #3   2.5 x .45 2.05   9 x 1 8  
  1/4-20 #7   5/16-24 I   3 x .5 2.5   10 x .75 9.25  
  5/16-18 F   3/8-24 Q   3.5 x .6 2.9   10 x 1 9  
  3/8-16 5/16   7/16-20 W   4 x .7 3.3   10 x 1.25 8.8  
  7/16-14 U   1/2-20 29/64   4.5 x .75 3.7   11 x 1 10  
  1/2-13 27/64   9/16-18 33/64   5 x .8 4.2   12 x .75 11.25  
  9/16-12 31/64   5/8-18 37/64   6 x 1 5   12 x 1 11  
  5/8-11 17/32   3/4-16 11/16   7 x 1 6   12 x 1.5 10.5  
  3/4-10 21/32   7/8-14 13/16   8 x 1.25 6.8   14 x 1 13  
  7/8-9 49/64   1"-12 15/16   9 x 1.25 7.8   14 x 1.25 12.8  
  1"-8 7/8   1-1/8-12 1-3/64   10 x 1.5 8.5   14 x 1.5 12.5  
  1-1/8-7 63/64   1-1/4-12 1-11/64   11 x 1.5 9.5   16 x 1 15  
  1-1/4-7 1-7/64   1-1/2-12 1-27/64   12 x 1.75 10.2   16 x 1.5 14.5  
  1-1/2-6 1-11/32   1-3/4-12 1-43/64   14 x 2 12   18 x 1 17  
  1-3/4-5 1-35/64   2"-12 1-59/64   16 x 2 14   18 x 2 16  
  2"-4-1/2 1-25/32   18 x 2.5 15.5   20 x 1 19  
      20 x 2.5 17.5   20 x 1.5 18.5  
      22 x 2.5 19.5   20 x 2 18  
  24 x 3 21   22 x 1 21  
  27 x 3 24   22 x 1.5 20.5  
  30 x 3.5 26.5   22 x 2 20  
  33 x 3.5 29.5   24 x 1.5 22.5  
  36 x 4 32   24 x 2 22  
  39 x 4 35   26 x 1.5 24.5  
    27 x 1.5 25.5  
    27 x 2 25  
    28 x 1.5 26.5  
    30 x 1.5 28.5  
    30 x 2 28  
    33 x 2 31  
      36 x 3 33  
  39 x 3 36  
       

 Pipe Tap Thread Sizes

      
  Taper Pipe NPT   Straight Pipe sizes NPS      
  Tap  Drill   Tap Drill      
  1/8-27 R   1/8-27 S      
  1/4-18 7/16   1/4-18 29/64      
  3/8-18 37/64   3/8-18 19/32      
  1/2-14 23/32   1/2-14 47/64      
  3/4-14 59/64   3/4-14 15/16      
  1"-11-1/2 1-5/32   1"-11-1/2 1-3/16      
  1-1/4-11-1/2 1-1/2   1-1/4-11-1/2 1-33/64      
  1-1/2-11-1/2 1-47/64   1-1/2-11-1/2 1-3/4      
  2"-11-1/2 2-7/32   2"-11-1/2 2-7/32      
  2-1/2-8 2-5/8   2-1/2-8 2-21/32      
  3"-8 3-1/4   3"-8 3-9/32      
  3-1/2-8 3-3/4   3-1/2-8 3-25/32      
  4"-8 4-1/4   4"-8 4-9/32      
       
 

 

U.S. STANDARD WIRE GAUGE
Gauge No. Diameter
inches		 Diameter
mm		   Gauge No. Diameter
inches		 Diameter
mm
0000 0.4600 11.68   8 0.1285 3.264
000 0.4096 10.40   9 0.1144 2.906
00 0.3648 9.206   10 0.1019 2.588
0 0.3249 8.252   11 0.09074 2.305
1 0.2803 7.348   12 0.08081 2.053
2 0.2576 6.543   13 0.07196 1.828
3 0.2294 5.827   14 0.06408 1.628
4 0.2043 5.189   15 0.05707 1.450
5 0.1819 4.620   16 0.05082 1.291
6 0.1620 4.115   17 0.04526 1.150
7 0.1443 3.665   18 0.04030 1.024
Gauge No. Diameter
inches		 Diameter
mm		   Gauge No. Diameter
inches		 Diameter
mm
19 0.03589 0.9116   30 0.01003 0.2548
20 0.03196 0.8118   31 0.008928 0.2268
21 0.02846 0.7229   32 0.007950 0.2019
22 0.02535 0.6439   33 0.007080 0.1798
23 0.02257 0.5733   34 0.006305 0.1601
24 0.2010 0.5105   35 0.005615 0.1426
25 0.01790 0.4547   36 0.005000 0.1270
26 0.01594 0.4049   37 0.004453 0.1131
27 0.01420 0.3607   38 0.003965 0.1007
28 0.01264 0.3211   39 0.003531 0.08969
29 0.01120 0.2845   40 0.003145 0.07988

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mrtwheels@yahoo.com 

MRW RACING WHEELS BEADLocK ROCKCRAWLER  AND OFF ROAD WHEELS

MANUFACTURERS OF "CUSTOM BUILT" MOTORSPORTS WHEELS SINCE 1955

MARSH RACING WHEELS 

16951 LOGAN CAVE ROAD

SILOAM SPRINGS, ARKANSAS 72761

 Toll Free --- 1-800-643-3625

Local --- 479- 524-4157

FAX --- 479-524-5168

 www.mrt-wheels.com

www.rockcrawler-mrt.com

mrtwheels@yahoo.com 
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