SYOZ 20 For Woodworking Machines (RDO20)
This collet used on 6.8HP and 7HP dual end Perske motors
Part Number Description D (mm) L (mm) D1 (inch)
03520-1/8 SYOZ 20 1/8" Collet 19.8 34 1/8"
03520-3/16 SYOZ 20 3/16" Collet 19.8 34 3/16"
03520-1/4 SYOZ 20 1/4" Collet 19.8 34 1/4"
03520-5/16 SYOZ 20 5/16" Collet 19.8 34 5/16"
03520-3/8 SYOZ 20 3/8" Collet 19.8 34 3/8"
03520-7/16 SYOZ 20 7/16" Collet 19.8 34 7/16"
03520-1/2 SYOZ 20 1/2" Collet 19.8 34 1/2"
SYOZ 25 FOR WOODWORKING MACHINES (RDO35)
This collet used on 12 & 15 HP Perske and 7.5 Dual End Perske Motors
Part Number Description D (mm) L (mm) D (inch)
03868-1/4 SYOZ 25 1/4" Collet 35.05 52 1/4"
03868-5/16 SYOZ 25 5/16" Collet 35.05 52 5/16"
03868-3/8 SYOZ 25 3/8" Collet 35.05 52 3/8"
03868-1/2 SYOZ 25 1/2" Collet 35.05 52 1/2"
03868-5/8 SYOZ 25 5/8" Collet 35.05 52 5/8"
03868-3/4 SYOZ 25 3/4" Collet 35.05 52 3/4"
03868-1 SYOZ 25 1" Collet 35.05 52 1"
SYIC-03630 CLAMPING NUT
Compatible with RDO and Ortlieb Nuts
Model No. Type D D1 L I1 T
03520 EOC 20 35 10.5 20.0 - M27 x 1.5
03638 EOC 25 60 29.7 30.0 10.5 M48 x 2.0P
03520-L EOC 20-L 35 10.5 20 - M27 x 1.5 LH
SYIC-03690 SPANNER FOR EOC CLAMPING NUT
Model No. Type L B C I
03691 EOC-25 260 46 55-60 52
SHODA COLLETS

Part No.

Description A Dim. d Dim. L Dim
SD-20MM-.250 Shoda 20mm (old style) 1/4" Collet 20mm .250" 52mm
SD-20mm-.375 Shoda 20mm (old style) 3/8" Collet 20mm .375" 52mm
SD-20mm-.500 Shoda 20mm (old style) 1/2" Collet 20mm .500" 52mm
SD-20mm-.625 Shoda 20mm (old style) 5/8" Collet 20mm .625" 52mm
SD-C001-.250 Shoda Piggy back 1/4" Collet 16mm .250" 52mm
SD-C001-.500 Shoda Piggy back 1/2" Collet 16mm .500" 52mm
SD-C015-.250 Shoda 24mm (new style) 1/4" Collet 24mm .250" 52mm
SD-C015-.375 Shoda 24mm (new style) 3/8" Collet 24mm .375" 52mm
SD-C015-.500 Shoda 24mm (new style) 1/2" Collet 24mm .500" 52mm
SD-C015-.625 Shoda 24mm (new style) 5/8" Collet 24mm .625" 52mm
SD-C015-.750 Shoda 24mm (new style) 3/4" Collet 24mm .750" 52mm
ER Collets With Clamping Range
Inch Size Tool Shank Collets
ER 11 ER 16 ER 20 ER 25 ER 32 ER 40 Drill Shank
04211-1/8 04216- 1/8 04220-1/8 04225 - 1/8 04232-1/8 04240-1/8 1/8"
04211-3/16 04216- 3/16 04220-3/16 04225 - 3/16 04232-3/16 04240-3/16 3/16"
04211-1/4 04216- 1/4 04220-1/4 04225 - 1/4 04232-1/4 04240-1/4 1/4"
04216- 5/16 04220-5/16 04225 - 5/16 04232-5/16 04240-5/16 5/16"
04216-3/8 04220-3/8 04225 - 3/8 04232-3/8 04240-3/8 3/8"
04220-7/16 04225 - 7/16 04232-7/16 04240-7/16 7/16"
04220-1/2 04225 - 1/2 04232-1/2 04240-1/2 1/2"
04225 - 9/16 04232-9/16 04240-9/16 9/16"
04225 - 5/8 04232-5/8 04240-5/8 5/8"
04232-11/16 04240-11/16 11/16"
04232-3/4 04240-3/4 3/4"
04240-1 1"
ER Series Part Series Size Range (mm) D d1 d2 L

I 1

I 2 I 3
ER 8 4208 0.5-5.0 8.5 8.0 6.5 13.5 10.8 2.98 1.5
ER 11 4211 0.5-7.0 11.5 11.0 9.5 18.0 13.5 3.80 2.5
ER 16 4216 0.5-10.0 17.0 16.0 13.8 27.5 20.8 6.25 4.0
ER 20 4220 1.0-13.0 21.0 20.0 17.4 31.5 23.9 6.36 4.8
ER 25 4225 1.0-16.0 26.0 25.0 22.0 34.0 25.9 6.66 5.0
ER 32 4232 2.0-20.0 33.0 32.0 29.2 40.0 30.9 7.16 5.5
ER 40 4240 3.0-26.0 41.0 40.0 36.2 46.0 34.9 7.66 7.0
ER 50 4250 5.0-34.0 52.0 50.0 46.0 60.0 46.0 13.40 8.5
 
ER 32 High Speed Bearing Nut
Part No. Description D d1 L Spanner Clamping Torque
21216 ER 16 High Speed Bearing Nut 28 12 20.5 04609 50ft. lbs.
21220 ER 20 High Speed Bearing Nut 34 15 22 04610 75ft. lbs.
21225 ER 25 High Speed Bearing Nut 42 21 22.5 04615 95ft. lbs.
21232 ER 32 High Speed Bearing Nut 50 22 25 04616 125ft. lbs.
21240 ER 40 High Speed Bearing Nut 63 34 28 04617 200ft. lbs.
ER Clamping Nut • Type A • DIN 6499
Part No. Description D d1 L T Spanner Wrench No. Clamping Torque
04501 ER 11-A 19 17.0 11.3 M 14 x 0.75 04608 20 ft/lbs
04502 ER 16-A 28 25.0 17.5 M 22 x 1.5 04609 50 ft/lbs
04503 ER 20-A 34 30.0 19.0 M 25 x 1.5 04610 75 ft/lbs
ER Clamping Nut • Type UM/RD • DIN 6499
Part No. Description D d1 L T Spanner Wrench No. Clamping Torque
04508 ER 25-UM/RD 42 29.0 20.0 M 32 x 1.5 04615 95 ft/lbs
04509 ER 32-UM/RD 50 38.5 22.5 M 40 x 1.5 04616 125 ft/lbs
04510 ER 40-UM/RD 63 48.3 25.5 M 50 x 1.5 04617 160 ft/lbs
04511 ER 50-UM/RD 78 59.0 35.5 M 64 x 1.5 04618 220 ft/lbs
ER Clamping Nut • Type KM/RD
Heavy Duty/Ball Bearing
Part No. Description D d1 L T Spanner Wrench No. Clamping Torque
04512 ER 25-KM/RD 42 29.0 22.5 M 32 x 1.5 04615 95 ft/lbs
04513 ER 32-KM/RD 50 38.50 25.0 M 40 x 1.5 04616 125 ft/lbs
04514 ER 40-KM/RD 63 48.3 27.5 M 50 x 1.5 04617 160 ft/lbs
04515 ER 50-KM/RD 78 59.0 40.0 M 64 x 1.5 04618 220 ft/lbs
ER Clamping Nut • Type M • Mini Nut
Part No. Description D d1 L T Spanner Wrench No. Clamping Torque
04523 ER 8-M 12 10.0 10.8 M 10 x .75 04620 7 ft/lbs
04524 ER 11-M 16 12.0 12.0 M 13 x .75 04621 14 ft/lbs
04525 ER 16-M 22 17.0 18.0 M 19 x 1.0 04622 22 ft/lbs
04526 ER 20-M 28 22.0 19.0 M 24 x 1.0 04623 25 ft/lbs
04527 ER 25-M 35 27.0 20.0 M 30 x 1.0 04624 29 ft/lbs
ER Spanner Wrenches Type A, UM, KM, M
Part No. Description Nut Type Length (mm) Wide (mm)
04608 ER 11-A Wrench A 120 40
04609 ER 16-A Wrench A 140 53
04610 ER 20-A Wrench A 160 60
04615 ER 25-E Wrench UM or KM 206 65
04616 ER 32-E Wrench UM or KM 253 75