FREE delivery on orders over €150
Product Specifications:
| Item | Retention Knob |
| Angle Radius | 90° |
| Coolant Fed | Coolant Through |
| Coolant Supply | Coolant Through |
| Features | All Mating Surfaces Precision Ground, Hardened For Maximum Longevity, Manufactured To The Highest Standards For Maximum Safety And Long Life |
| Flange Thickness | 0.512" |
| Flange To Angle Length | 0.99" |
| Flange To Beginning Of Knob Length | 0.99" |
| Flange To End Of Knob Length | 1.266" |
| Knob Outside Dia. | 0.59" |
| Material | Steel |
| Neck Dia. | 0.512" |
| Neck Diameter | 0.394" |
| Overall Length | 2 1/4" |
| Style Designation | 21003 |
| Taper Size | CAT40 |
| Thread Pitch | Not Applicable |
| Thread Size | 5/8"-11 |
Shipping Info:
| Ship weight (kg) | 0.09 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 2.54 |
| Ship width (cm) | 2.54 |
Product Variants
| Product | Model | Angle Radius | Flange To Angle Length | Coolant Fed | Taper Size | Knob Outside Dia. | Neck Dia. | Flange Thickness | Flange To Knob Length | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
17817 | 45° | 18 mm | Coolant Through | BT30 | 11 mm | 12.5 mm | 12.5 mm | - | €41.29 | |
![]() |
17812 | 90° | 0.314" | Non-Coolant Through | BT30 | 0.59" | 7 mm | 12.5 mm | 0.905" | €41.29 | |
![]() |
17806 | 60° | 0.708" | Non-Coolant Through | BT30 | 0.59" | 7 mm | 12.5 mm | 0.905" | €41.09 | |
![]() |
17814 | 90° | 1.102" | Non-Coolant Through | BT40 | 0.59" | 10 mm | 17 mm | 1.378" | €41.29 | |
![]() |
21007-15 | 15° | 0.792" | Non-Coolant Through | CAT40 | 3/4" | 0.55" | - | 1.028" | €34.98 | |
![]() |
21003-60C | 60° | 0.99" | Coolant Through | CAT40 | 0.59" | 0.512" | 0.512" | - | €35.14 | |
![]() |
21003-60 | 60° | 0.99" | Non-Coolant Through | CAT40 | 0.59" | 0.394" | 0.512" | 1.266" | €35.71 |
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TECHNIKS 21003-90C Retention Knob, Cat40 Taper Size, 5/8 Inch Size-11 Thread Size, 90 Deg. Angle Radius
€35.24 /unit






