Tool SUBLAND DRILL STEP DRILL .218” 7/32 INCH X .1285 PILOT
X 1/4 LONG 3 7/8 OAL
FOR #4 CAP SCREW
PILOT .1285” DIAMETER X 1/4 INCH LONG
3 7/8 OAL
7/32
CLE-FORGE
H <C> S
U S A
USED = SHARP
VINTAGE ANTIQUE OLD SCHOOL JOB SHOP MANUAL MACHINING TOOLS
TEACHING COLLEGE CO-OP TRAINING
COMBINE
SHIPPING BY PUTTING BUY-IT-NOW ITEMS IN CART AND THEN REQUEST INVOICE FOR 2 OR
MORE ITEMS. SHIP COST BASED ON TOTAL
WEIGHT INCL PACKAGE PLUS EBAY FEE ON SHIP COST PLUS MISC COST.
+ NEEDS TO BE ~ .002 LARGER; + NEEDS TO BE ~ .005 LARGER.
# x .013 + .060 = NORMAL FIT CLOSE FIT DIA. WASHER
SCREW MAX HEAD COUNTERBORE PILOT DRILL SCREW PILOT DRILL A1A ,A1B or B
4 .112 .183 3/16 .219 7/32 9/64 .136 4 .125 1/4 .312 .250
5 .125 .205 13/64+ .250 ¼ 5/32 .154 5 .141 9/64 .281 .406
6 .138 .226 7/32+ .272 17/64+ 11/64 .170 6 .154 23 .375 .312
8 .164 .270 17/64+ .316 5/16+ 3/16+ .194 8 .180 15 .438 .375
10 .190 .312 5/16 .359 23/64 7/32+ .221 10 .206 5 .500 .406
¼ .250 .375 3/8 .422 27/64 9/32 .281 ¼ .266 17/64 .625 .500
5/16 .312 .469 15/32 .515 33/64 11/32 .344 5/16 .328 21/64 .688 .625
3/8 .375 .562 9/16 .609 39/64 13/32 .406 3/8 .391 25/64 .812 .734
7/16 .437 .656 21/32 .703 45/64 15/32 .469 7/16 .453 29/64 .922 .875
½ .500 .750 3/4 .797 51/64 17/32 .531 ½ .516 33/64 1.062 1.000
SCREW MAX HEAD COUNTERBORE PILOT DRILL SCREW PILOT DR CLOSE FIT
Combined
items reduces total shipping cost. I will combine into a 1 package weight
shipping.