Doweling Practices


   
				
		      PINNING AND DOWELING 
                      --------------------
			     TABLE 1
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                                                                    |
       Clearance hole "A"-----|   |---                              |
                              |   |                                 |
                              |   |                                 |
                               | |                                  |
                               | |                                  |
                            ---| |-----Press fit hole "B"           |
                                                                    |
*********************************************************************
	                    |NORM DOWELING| PRESS FIT |GEAR DOWELING|
    PIN SIZE    |FIRST DRILL|CLR HOLE "A" | HOLE "B"  |CLR HOLE "A" |
NOM   MAX   MIN |  HOLE NO. |  MAX    MIN | MAX   MIN | MAX    MIN  |
****************|***********|*************|***********|*************|
		|           |             |           |             |
3/64 .0470 .0468| 62   .038 | .0476  .0473|.0467 .0464|.0475  .0473 |
1/16 .0627 .0625| 55   .052 | .0635  .0630|.0624 .0621|.0632  .0630 |
3/32 .0939 .0937| 45   .082 | .0947  .0942|.0936 .0933|.0944  .0942 |
1/8  .1252 .1250| 33   .113 | .1260  .1255|.1249 .1246|.1257  .1255 |
3/16 .1877 .1875| 16   .177 | .1885  .1880|.1874 .1871|.1882  .1880 |
1/4  .2502 .2500|  B   .238 | .2510  .2505|.2499 .2494|.2507  .2505 |
5/16 .3127 .3125|19/64 .296 | .3135  .3130|.3124 .3119|.3132  .3130 |
3/8  .3752 .3750|  U   .368 | .3762  .3755|.3749 .3743|.3757  .3755 |
1/2  .5002 .5000|31/64 .484 | .5012  .5005|.4999 .4993|.5007  .5005 |
*********************************************************************

			      TABLE 2
               ***************************************
               |DOWEL SIZE | PRESS FIT   | SLIP FIT  |
	       ***************************************
	       |.0628 .0627|.0624 .0621  |.0633 .0630|
               |.1253 .1252|.1248 .1245  |.1258 .1255|
	       |.1878 .1877|.1875 .1870  |.1885 .1880|
	       |.2503 .2502|.2500 .2495  |.2510 .2505|
	       |.3128 .3127|.3125 .3120  |.3135 .3130|
	       |.3753 .3752|.3750 .3745  |.3760 .3755|
	       |.5003 .5002|.5000 .4995  |.5010 .5005|
	       ***************************************