Dead Length Collets
iSwiss Dead Length Collets are engineered for manufacturers who demand absolute precision, consistency, and efficiency. These collets achieve high precision and repeatability as they eliminate axial workpiece movement for consistent part lengths within microns.
Designed for CNC lathes, grinders, and Swiss-type machines, they reduce scrap, boost productivity, and deliver the accuracy demanded in aerospace, medical, and automotive manufacturing.
Collet Type Cart and Operating Range
| Part # | E-Number | F-Type | d (mm) | D (mm) | L (mm) | K | Max Ø (mm) | Max. hex (mm) | Max square (mm) |
|---|---|---|---|---|---|---|---|---|---|
| TF8 | 101E | F8 76-577 | 8 | 12 | 42 | 32° | 6.35 | ||
| TF10 | 109E | F10 76-86 | 10 | 15.5 | 47.5 | 40° | 8.0 | 7.0 | 5.5 |
| TF13 | 116E | F13 76-357 | 13 | 19 | 63.5 | 32° | 10.0 | 8.0 | 7.0 |
| TF15 | 120E | F 15 76-580 | 15 | 21 | 64 | 32° | 13.0 | 11.0 | 9.0 |
| TF16 | 121E | F16 76-1076 | 16 | 21 | 64 | 32° | 13.0 | 10.0 | 8.0 |
| TF18 | 127E | F18 76-85 | 18 | 25 | 67 | 30° | 14.0 | 11.0 | 9.0 |
| F20-201 | 136E | F20 76-201 | 20 | 26 | 54 | 30° | 16.0 | 14.0 | 10.0 |
| TF20 | 138E | F20 76-87 | 20 | 28 | 67 | 32° | 16.0 | 14.0 | 11.0 |
| TF22 | 140E | F22 76-71 | 22 | 30 | 55 | 30° | 16.0 | 15.0 | 10.0 |
| TF24 | 23.8 | 28.1 | 62 | 30° | 18.5 | 16 | 13 | ||
| TF25 | 145E | F25 76-64 | 25 | 35 | 77 | 32° | 20.0 | 17.0 | 14.0 |
| TF27 | 147E | F27 76-22 | 27 | 38 | 72.7 | 30° | 23.0 | 20.0 | 16.0 |
| TF30 / 0161 | 157E | F30 76-63 | 30 | 42 | 80 | 32° | 26.0 | 22.0 | 18.0 |
| EF 30 76-101 | EF 30 76-102 | 1446E | 30 | 38 | 65 | 30° | 26 | 22.0 | 17 |
| 161E | 161E | F32 76-221 | 32 | 45 | 75 | 30° | 28.0 | 24.0 | 19.0 |
| 0166 | 0166 | 32 | 39.8 | 65 | 30° | 28.0 | 24 | 19 | |
| 163E | 163E | F35 76-94 | 35 | 48 | 80 | 30° | 30.0 | 27.0 | 20.0 |
| TF37 | 1536E | EF37 76-741 | 37 | 47 | 92 | 32° | 32.0 | 27.0 | 22.0 |
| 164E | 164E | F38 76-72 | 38 | 49 | 108 | 30° | 32.0 | 27.0 | 22.0 |
| EF40 | EF40 | F40 | 40 | 47 | 92 | 32° | 36.0 | 30.0 | 25.0 |
| 171E/B36 | 171E | F42 76-99 | 42 | 55 | 94 | 30° | 37.0 | 32.0 | 36.0 |
| TF43 | TF43 | 42.95 | 53 | 92 | 32° | 39.0 | 33.0 | 27.0 | |
| TF48/B42 | 173E | F48 76-81 | 48 | 60 | 94 | 30° | 42.0 | 38.0 | 30.0 |
| TF48NFT | 48 | 60 | 94 | 30° | 42.0 | 38.0 | 30.0 | ||
| BS38 | BS38 | 47.95 | 54.25 | 100 | 30° | 40.0 | 34.0 | 28.0 | |
| B52 | 177E | F58 17-355 | 58 | 70 | 94 | 30° | 52.0 | 44.0 | 36.0 |
| B60 | 185E | F66 76-59 | 66 | 84 | 110 | 30° | 60.0 | 50.0 | 41.0 |
Guaranteed Runout Accuracy
| Bore (mm) | L1 (mm) | L2 (mm) | Standard | Ultra Precision | Ultra Precision Profile |
|---|---|---|---|---|---|
| 0.5 – 1 | 3 | 3 – 5 | 0.015 mm | 0.01 mm | 0.12 mm |
| 1 – 1.6 | 6 | 5 – 8 | 0.02 mm | 0.01 mm | 0.12 mm |
| 1.6 – 3 | 10 | 8 – 12 | 0.02 mm | 0.01 mm | 0.12 mm |
| 3 – 6 | 16 | 12 – 18 | 0.02 mm | 0.01 mm | 0.12 mm |
| 6 – 10 | 25 | 18 – 24 | 0.02 mm | 0.01 mm | 0.15 mm |
| 10 – 18 | 40 | 24 – 32 | 0.03 mm | 0.01 mm | 0.2 mm |
| 18 – 24 | 50 | 32 – 48 | 0.03 mm | 0.01 mm | 0.2 mm |
| 24 – 30 | 60 | 48 – 60 | 0.04 mm | 0.01 mm | 0.2 mm |
| 30 – 50 | 80 | 60 | 0.04 mm | 0.01 mm | 0.2 mm |
| 50 | 100 | 60 – 70 | 0.04 mm | 0.01 mm | 0.2 mm |
Dead Length Collets options
Advantages:
- To pick up sensitive parts
- Very hard wear-resistant aluminum bronze
- No pressure marks on the turning parts
- All collet types available
iSWISS offers fastest lead time in the industry for special shape pick off collets.
Send us your Collet or Part Drawing and we will quote you a collet that will work for your application.
Advantages:
- Accurate sealing
- Prevents dirt/chips in the bore
- Prevents backward movement of coolant
- Without silicone available by request
Advantages:
- High-precision clamping with runout accuracy
- Ability to pick of square and hexagon profile
- Prevents scratches
- High and uniform clamping force
- Prevents chips and dirt from getting into spindle
- Ideal for clamping medical screws , as it keeps consistent pressure even with difference in tolerance
Advantages:
- Extremely high clamping power
- Increased drilling and turning power by axial clamping force, stiffness and torque transmission
- Should only be used for lathes or Swiss type machine in chucker mode
Advantages:
- High durability
- Excellent runout
- Will not disturb finish of picked part
| Part # | D | Max Ø |
|---|---|---|
| TF13 | 10 | Depends on ID |
| TF15 | 10 | Depends on ID |
| TF16 | 10 | Depends on ID |
| TF20 | 13 | Depends on ID |
| TF25 | 10 | Depends on ID |
| TF37 | 10 | Depends on ID |
| TF48 | 20 | Depends on ID |
| TF48NFT | 20 | Depends on ID |
Advantages:
- Insert made out of Brass or Plastic provides additional material guidance in the collet.
- Length and ID of the insert is made to customers specification.
- Insert is delivered already pressed into collet.
When ordering please specify: material, length and ID of the insert.
Advantages:
- Easy & quick fitting
- Suitable for 3 or 4 slot collets
- Disks can be turned to any specific diameter
- Prevents breakage of stepped collets
| Part # | For Collet Type |
|---|---|
| HDAN-145E | TF25 76-64 |
| HDAN-173E | TF48 76-81 |
| HDAN-185E | F66 76-359 |
Special Dead Length Collets
Please specify size and type of the dead length collet you need, submit the form, and we will get back to you soon with a quote.