Page 49 - Techniks Catalog 2017

Recommended Torque Values & Coolant Set Screws

Recommended Collet Nut & Retention Knob Tightening Torque

Collets I.D. OVER Collets I.D. UNDER Order Torque
Collet Nut Type 1/16" (2mm) 1/16" (2mm) Wrench Adapter Collets Nuts Coolant
ER16 slotted 42 ft/lbs 30 ft/lbs 04580-16 pg. 49 pg. 64 Rings
pg. 66
ER16 hex 42 ft/lbs 30 ft/lbs 04601-16
ER20 slotted 59 ft/lbs 24 ft/lbs 04580-20
ER20 hex 59 ft/lbs 24 ft/lbs 04602-20
ER25 slotted 77 ft/lbs 77 ft/lbs 04603-25 Retention Wrenches Tightening
Knobs pg. 232 Stands
ER25 mini nut 25 ft/lbs 25 ft/lbs 04587
pg. 228 pg. 234
ER32 slotted 100 ft/lbs 100 ft/lbs 04604-32
ER40 slotted 130 ft/lbs 130 ft/lbs 04605-40
SYOZ 25 hook 90 ft/lbs 90 ft/lbs 03690-25
TG75 slotted 90 ft/lbs 90 ft/lbs 04604-32
TG100 hook 90 ft/lbs 90 ft/lbs 03690-25
Always tighten retention knobs to exact specification or damage to tooling or bodily harm may occur.

Retention Knobs Wrench Flats Drive Torque Order Socket
BT30 Taper 0.535" 1/4" 36 ft/lbs PSS-30BT
ISO 30 Taper 0.535" 3/8" 36 ft/lbs PSS-30ISO For maximum holding power fill the
Any 40 Taper 0.750" 3/8" 76 ft/lbs PSS-40 collet all the way with the tool shank
(left) and use a PowerCOAT nut.
BT50 Taper 1.187" 1/2" 99 ft/lbs PSC-50
CAT50 Taper 1.250" 1/2" 99 ft/lbs PSC-50 DIRECTIONS
• Snap collet into nut.
**Always use a torque wrench and tightening stand when tightening collet nuts and
retention knobs. Overtightening collet nuts will cause premature damage to collets and • Insert cutting tool into collet.
increase run-out. Make sure shank extends to
the bottom of the collet.
• Hand tighten collet nut
Use coolant set screws for coolant-thru tools or with Black assembly into toolholder.
Gold Rings for CoolBLAST option using standard cutting • Insert toolholder assembly into
tools. See page 66 for more information. tightening fixture and secure it.
• Tighten collet nut to

d M recommended torque using a
Coolant Set Screws torque wrench and adapter.
L
Part No. Description M L d
16080C-20 Coolant Set Screw M5 x 0.8P 20mm 2.5
16082C-20 Coolant Set Screw M8 x 1.25P 20mm 4
16083C-20 Coolant Set Screw M10 x 1.5P 20mm 4
16085C-20 Coolant Set Screw M12 x 1.75P 20mm 4
16089C-20 Coolant Set Screw M16 x 02.0P 20mm 5
16091C-20 Coolant Set Screw M20 x 2.0P 20mm 5
Blue indicates coolant.

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