ROCK RIVER TOOL, INC.
STANDARD & SPECIAL CARBIDE TIPPED CUTTING TOOLS
Phone (800) 345-8924 | FAX (800) 867-9312
COUNTERBORE PILOTS
CARBON STEEL PILOTS
TYPE 2500 — CARBON STEEL PILOTS
The shank diameter ordered must be the same as the pilot shank hole diameter in the counterbore to be used.
The pilot diameter is always larger than the shank diameter and is determined by part to be machined.
OPTIONS
Intermediate decimal or metric pilot diameters.
Shank diameter tolerance plus .0000" minus .0005".
Pilot diameter tolerance.
1/8 to 1/4 minus .001" minus .002".
9/32 to 7/8 minus .003" minus .004".
15/16 to 1-1/8 minus .005" minus .006".
| Pilot Head Diameter | Shank Diameter | Type 2500 EDP NO. |
Price | |
| Frac. | Dec. | |||
| 1/8 | .1250 | 3/32 | 250104 | $24.15 |
| 5/32 | .1563 | 3/32 | 250105 | 19.60 |
| 3/16 | .1875 | 5/32 | 250306 | 20.00 |
| 3/16 | .1875 | 3/32 | 250106 | 20.00 |
| 7/32 | .2188 | 3/32 | 250107 | 22.65 |
| 7/32 | .2188 | 3/16 | 250407 | 22.65 |
| 7/32 | .2188 | 5/32 | 250307 | 22.65 |
| 1/4 | .2500 | 3/32 | 250108 | 22.65 |
| 1/4 | .2500 | 3/16 | 250408 | 22.65 |
| 1/4 | .2500 | 5/32 | 250308 | 22.65 |
| 9/32 | .2813 | 1/4 | 250509 | 24.15 |
| 9/32 | .2813 | 3/32 | 250109 | 24.15 |
| 9/32 | .2813 | 3/16 | 250409 | 24.15 |
| 9/32 | .2813 | 5/32 | 250309 | 24.15 |
| 5/16 | .3125 | 5/32 | 250310 | 24.15 |
| 5/16 | .3125 | 1/4 | 250510 | 24.15 |
| 5/16 | .3125 | 3/32 | 250110 | 24.15 |
| 5/16 | .3125 | 3/16 | 250410 | 24.15 |
| 11/32 | .3438 | 1/4 | 250511 | 24.15 |
| 11/32 | .3438 | 3/32 | 250111 | 24.15 |
| 11/32 | .3438 | 3/16 | 250411 | 24.15 |
| 11/32 | .3438 | 5/32 | 250311 | 24.15 |
| 11/32 | .3438 | 5/16 | 250611 | 24.15 |
| 3/8 | .3750 | 1/4 | 250512 | 26.60 |
| 3/8 | .3750 | 3/16 | 250412 | 26.60 |
| 3/8 | .3750 | 5/32 | 250312 | 26.60 |
| 3/8 | .3750 | 5/16 | 250612 | 26.60 |
| 13/32 | .4063 | 1/4 | 250513 | 26.60 |
| 13/32 | .4063 | 3/16 | 250413 | 26.60 |
| 13/32 | .4063 | 5/32 | 250313 | 26.60 |
| 13/32 | .4063 | 5/16 | 250613 | 26.60 |
| 7/16 | .4375 | 5/32 | 250314 | 27.25 |
| 7/16 | .4375 | 3/8 | 250714 | 27.25 |
| 7/16 | .4375 | 5/16 | 250614 | 27.25 |
| 7/16 | .4375 | 1/4 | 250514 | 27.25 |
| 7/16 | .4375 | 3/16 | 250414 | 27.25 |
| 15/32 | .4688 | 3/16 | 250415 | 27.25 |
| 15/32 | .4688 | 5/16 | 250615 | 27.25 |
| 15/32 | .4688 | 1/4 | 250515 | 27.25 |
| 1/2 | .5000 | 1/4 | 250516 | 31.15 |
| 1/2 | .5000 | 3/16 | 250416 | 31.15 |
| 1/2 | .5000 | 3/8 | 250716 | 31.15 |
| 1/2 | .5000 | 5/16 | 250616 | 31.15 |
| 1/2 | .5000 | 7/16 | 250816 | 31.15 |
| 17/32 | .5313 | 1/4 | 250517 | 36.35 |
| 17/32 | .5313 | 3/16 | 250417 | 36.35 |
| 17/32 | .5313 | 5/16 | 250617 | 36.35 |
| 17/32 | .5313 | 7/16 | 250817 | 36.35 |
| 9/16 | .5625 | 7/16 | 250818 | 40.80 |
| 9/16 | .5625 | 1/2 | 250918 | 40.80 |
| 9/16 | .5625 | 3/8 | 250718 | 40.80 |
| 9/16 | .5625 | 1/4 | 250518 | 40.80 |
| 9/16 | .5625 | 3/16 | 250418 | 40.80 |
| 9/16 | .5625 | 5/16 | 250618 | 40.80 |
| 19/32 | .5938 | 5/16 | 250619 | 44.85 |
| 19/32 | .5938 | 7/16 | 250819 | 44.85 |
| 19/32 | .5938 | 1/2 | 250919 | 44.85 |
| 19/32 | .5938 | 1/4 | 250519 | 44.85 |
| 5/8 | .6250 | 1/4 | 250520 | 44.85 |
| 5/8 | .6250 | 5/16 | 250620 | 44.85 |
| 5/8 | .6250 | 7/16 | 250820 | 44.85 |
| 5/8 | .6250 | 1/2 | 250920 | 44.85 |
| 5/8 | .6250 | 3/8 | 250720 | 44.85 |
| 5/8 | .6250 | 3/16 | 250420 | 44.85 |
| 21/32 | .6563 | 3/16 | 250421 | 45.90 |
| 21/32 | .6563 | 1/4 | 250521 | 45.90 |
| 21/32 | .6563 | 5/16 | 250621 | 45.90 |
| 21/32 | .6563 | 7/16 | 250821 | 45.90 |
| 11/16 | .6875 | 3/16 | 250422 | 45.90 |
| 11/16 | .6875 | 1/4 | 250522 | 45.90 |
| 11/16 | .6875 | 1/2 | 250922 | 45.90 |
| 11/16 | .6875 | 5/16 | 250622 | 45.90 |
| 11/16 | .6875 | 3/8 | 250722 | 45.90 |
| 11/16 | .6875 | 7/16 | 250822 | 45.90 |
| 23/32 | .7188 | 1/2 | 250923 | 52.00 |
| 23/32 | .7188 | 5/16 | 250623 | 52.00 |
| 23/32 | .7188 | 7/16 | 250823 | 52.00 |
| 23/32 | .7188 | 1/4 | 250523 | 52.00 |
| 3/4 | .7500 | 3/8 | 250724 | 52.00 |
| 3/4 | .7500 | 1/2 | 250924 | 52.00 |
| 3/4 | .7500 | 5/16 | 250624 | 52.00 |
| 3/4 | .7500 | 7/16 | 250824 | 52.00 |
| 3/4 | .7500 | 3/16 | 250424 | 52.00 |
| 3/4 | .7500 | 1/4 | 250524 | 52.00 |
| 25/32 | .7813 | 1/4 | 250525 | 58.40 |
| 25/32 | .7813 | 1/2 | 250925 | 58.40 |
| 25/32 | .7813 | 5/16 | 250625 | 58.40 |
| 25/32 | .7813 | 7/16 | 250825 | 58.40 |
| 13/16 | .8125 | 3/8 | 250726 | 58.40 |
| 13/16 | .8125 | 1/4 | 250526 | 58.40 |
| 13/16 | .8125 | 1/2 | 250926 | 58.40 |
| 13/16 | .8125 | 5/16 | 250626 | 58.40 |
| 13/16 | .8125 | 3/16 | 250426 | 58.40 |
| 13/16 | .8125 | 7/16 | 250826 | 58.40 |
| 27/32 | .8438 | 1/4 | 250527 | 64.65 |
| 7/8 | .8750 | 7/16 | 250828 | 64.65 |
| 7/8 | .8750 | 3/8 | 250728 | 64.65 |
| 7/8 | .8750 | 1/4 | 250528 | 64.65 |
| 7/8 | .8750 | 1/2 | 250928 | 64.65 |
| 7/8 | .8750 | 5/16 | 250628 | 64.65 |
| 7/8 | .8750 | 3/16 | 250428 | 64.65 |
| 15/16 | .9375 | 1/4 | 250530 | 68.20 |
| 15/16 | .9375 | 1/2 | 250930 | 68.20 |
| 15/16 | .9375 | 5/16 | 250630 | 68.20 |
| 15/16 | .9375 | 3/16 | 250430 | 68.20 |
| 15/16 | .9375 | 7/16 | 250830 | 68.20 |
| 15/16 | .9375 | 3/8 | 250730 | 68.20 |
| 1 | 1.0000 | 3/8 | 250732 | 70.55 |
| 1 | 1.0000 | 1/4 | 250532 | 70.55 |
| 1 | 1.0000 | 1/2 | 250932 | 70.55 |
| 1 | 1.0000 | 5/16 | 250632 | 70.55 |
| 1 | 1.0000 | 3/16 | 250432 | 70.55 |
| 1 | 1.0000 | 7/16 | 250832 | 70.55 |
| 1 1/16 | 1.0625 | 3/8 | 250734 | 73.15 |
| 1 1/16 | 1.0625 | 1/2 | 250934 | 73.15 |
| 1 1/16 | 1.0625 | 5/16 | 250634 | 73.15 |
| 1 1/16 | 1.0625 | 7/16 | 250834 | 73.15 |
| 1 1/8 | 1.1250 | 3/8 | 250736 | 88.15 |
| 1 1/8 | 1.1250 | 1/2 | 250936 | 88.15 |
| 1 1/8 | 1.1250 | 5/16 | 250636 | 88.15 |
| 1 1/8 | 1.1250 | 7/16 | 250836 | 88.15 |