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Tolerances:
Shank Dia. + .0000 – .0005
Pilot Dia.
1⁄8” to 1⁄4” -.001 to -.002
9⁄32” to 7⁄8” -.003 to -.004
1-5⁄16” to 1-1⁄8” -.005 to -.006
Whitney Pilots for Counterbores
Alloy Steel
Shank
Dia.
Pilot Hole
Dia.
WTC No.
EDP No.
P1253
00001
3⁄32"
1⁄8"
P1563
00002
5⁄32"
P1873
00003
3⁄16"
P2183
00004
7⁄32"
P2503
00005
1⁄4"
P2813
00006
9⁄32"
P1875
00007
5⁄32"
3⁄16"
P2185
00008
7⁄32"
P2505
00009
1⁄4"
P2815
00010
9⁄32"
P3125
00011
5⁄16"
P3755
00013
3⁄8"
P2506
00014
3⁄16"
1⁄4"
P3126
00016
5⁄16"
P3756
00018
3⁄8"
P4376
00020
7⁄16"
P5006
00022
1⁄2"
P5626
00024
9⁄16"
P6256
00026
5⁄8"
P3128
00027
1⁄4"
5⁄16"
P3758
00029
3⁄8"
P4378
00031
7⁄16"
P5008
00033
1⁄2"
P5628
00035
9⁄16"
P6258
00037
5⁄8"
P6878
00039
11⁄16"
P7188
00040
23⁄32"
P7508
00041
3⁄4"
P8128
00042
13⁄16"
P8758
00043
7⁄8"
Alloy Steel
Shank
Dia.
Pilot Hole
Dia.
WTC No.
EDP No.
P37510
00044
5⁄16"
3⁄8"
P40610
00045
13⁄32"
P43710
00046
7⁄16"
P50010
00048
1⁄2"
P56210
00050
9⁄16"
P62510
00052
5⁄8"
P68710
00054
11⁄16"
P75010
00056
3⁄4"
P81210
00057
13⁄16"
P87510
00058
7⁄8"
P93710
00059
15⁄16"
P100010
00060
1"
P50012
00061
3⁄8"
1⁄2"
P56212
00063
9⁄16"
P62512
00065
5⁄8"
P68712
00067
11⁄16"
P75012
00069
3⁄4"
P81212
00070
13⁄16"
P87512
00071
7⁄8"
P93712
00072
15⁄16"
P100012
00073
1"
P106212
00074
1-1⁄16"
P112512
00075
1-1⁄8"
P50014
00076
7⁄16"
1⁄2"
P62514
00078
5⁄8"
P75014
00080
3⁄4"
P87514
00082
7⁄8"
P100014
00084
1"
P112514
00086
1-1⁄8"
P62516
00088
1⁄2"
5⁄8"
P75016
00090
3⁄4"
P100016
00093
1"
Ordering Information:
Please be sure to specify the quantity, style number, EDP number, diameter, width, and material.
COUNTERBORE PILOTS
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