SK ER Collet Chuck for High Precision Milling, DIN69871 JT cnc tool holder sk shank tools
A SK ER collet chuck is a type of tool holder commonly used in milling machines and CNC machines. It is designed to securely hold cutting tools such as end mills, drills, and reamers. The SK ER collet chuck uses a collet system, which consists of a tapered sleeve and a collet nut, to clamp and grip the tool. The chuck is inserted into the machine's spindle and tightened to hold the tool in place. SK ER collet chucks are known for their high precision and rigidity, making them suitable for appliCATEEions that require accuracy and repeatability. They are available in various sizes and can accommodate different collet sizes to match the tool diameter.
High accuracy ER milling chuck SK (DIN69871 JT) collet chucks ,DIN69871 SK-ER CNC Tool Holder Function: Mainly used for clamping of straight shank tools and tools such as drills,Spring chuck model: divided into ER8, ER11, ER16, ER20, ER25, ER32, ER40, ER50.Our mainly in kinds of collets ,kinds of tool holders,BT tool holders, CATEE tool holders ,DAT tool holders, NT tool holders, HSK tool holders series , boring head series ,tapping collets ,live centers ,drill chucks series ,and so on .We also support non-standard.
SpecifiCATEEions
1.SK ER Collet Chuck Materail: 20CrMnTi
2. Hardness: HRC 56-58
3. Max run out: <0.005mm
4.Taper tolerance:<AT3
5.Carbon depth: 0.8mm±0.2mm
6.Surface Roughness: Ra<0.005mm
7.Spring Collet Chuck Cooling AD+B type can be made by request
8.When Order, please specify balancing G6.3 or G2.5
Sk ER Collet Chuck Shank body standard: DIN69871
| Modle No. | L | L1 | D | d1 | d2 | T | KGS |
| SK30-ER11M-70 | 117.8 | 70 | 50 | 16 | 11 | M6*1P | 0.5 |
| SK30-ER11M-100 | 147.8 | 100 | 50 | 16 | 11 | M6*1P | 0.6 |
| SK30-ER11M-120 | 167.8 | 120 | 50 | 16 | 11 | M6*1P | 0.7 |
| SK30-ER16M-70 | 117.8 | 70 | 50 | 22 | 16 | M12*1.75P | 0.55 |
| SK30-ER16M-100 | 147.8 | 100 | 50 | 22 | 16 | M12*1.75P | 0.65 |
| SK30-ER16M-120 | 167.8 | 120 | 50 | 22 | 16 | M12*1.75P | 0.75 |
| SK30-ER20M-100 | 147.8 | 100 | 50 | 28 | 20 | M12*1.75P | 0.7 |
| SK30-ER20M-120 | 167.8 | 120 | 50 | 28 | 20 | M12*1.75P | 0.8 |
| SK30-ER20M-150 | 197.8 | 150 | 50 | 28 | 20 | M12*1.75P | 1 |
| SK40-ER11M-70 | 138.4 | 70 | 63.55 | 16 | 11 | M6*1P | 1.1 |
| SK40-ER11M-100 | 168.4 | 100 | 63.55 | 16 | 11 | M6*1P | 1.2 |
| SK40-ER11M-125 | 193.4 | 125 | 63.55 | 16 | 11 | M6*1P | 1.1 |
| SK40-ER11M-150 | 218.4 | 150 | 63.55 | 16 | 11 | M6*1P | 1.5 |
| SK40-ER16M-70 | 138.4 | 70 | 63.55 | 22 | 16 | M12*1.75P | 1.2 |
| SK40-ER16M-100 | 168.4 | 100 | 63.55 | 22 | 16 | M12*1.75P | 1.3 |
| SK40-ER16M-125 | 193.4 | 125 | 63.55 | 22 | 16 | M12*1.75P | 1.5 |
| SK40-ER16M-150 | 218.4 | 150 | 63.55 | 22 | 16 | M12*1.75P | 1.6 |
| SK40-ER20M-70 | 138.4 | 70 | 63.55 | 28 | 20 | M12*1.75P | 1.2 |
| SK40-ER20M-100 | 168.4 | 100 | 63.55 | 28 | 20 | M12*1.75P | 1.55 |
| SK40-ER20M-125 | 193.4 | 125 | 63.55 | 28 | 20 | M12*1.75P | 1.7 |
| SK40-ER20M-150 | 218.4 | 150 | 63.55 | 28 | 20 | M12*1.75P | 1.8 |
| SK50-ER11M-70 | 171.75 | 70 | 97.5 | 16 | 11 | M6*1P | 3.8 |
| SK50-ER11M-90 | 191.75 | 90 | 97.5 | 16 | 11 | M6*1P | 3.9 |
| SK50-ER11M-105 | 206.75 | 105 | 97.5 | 16 | 11 | M6*1P | 4 |
| SK50-ER11M-135 | 236.75 | 135 | 97.5 | 16 | 11 | M6*1P | 4.1 |
| SK50-ER11M-165 | 266.75 | 165 | 97.5 | 16 | 11 | M6*1P | 4.2 |
| SK50-ER16M-70 | 171.75 | 70 | 97.5 | 22 | 16 | M12*1.75P | 3.9 |
| SK50-ER16M-90 | 191.75 | 90 | 97.5 | 22 | 16 | M12*1.75P | 4 |
| SK50-ER16M-105 | 206.75 | 105 | 97.5 | 22 | 16 | M12*1.75P | 4.1 |
| SK50-ER16M-135 | 276.75 | 135 | 97.5 | 22 | 16 | M12*1.75P | 4.2 |
| SK50-ER16M-165 | 266.75 | 165 | 97.5 | 22 | 16 | M12*1.75P | 4.3 |
| SK50-ER20M-90 | 191.75 | 90 | 97.5 | 28 | 20 | M12*1.75P | 4.1 |
| SK50-ER20M-105 | 206.75 | 105 | 97.5 | 28 | 20 | M12*1.75P | 4.2 |
| SK50-ER20M-135 | 236.75 | 135 | 97.5 | 28 | 20 | M12*1.75P | 4.4 |
| SK50-ER20M-165 | 266.7 | 165 | 97.5 | 28 | 20 | M12*1.75P | 4.6 |
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