SK-A type is a universal hollow short cone tool holder with automatic tool change, which complies with DIN69893/ISO26623 standards. It has double contact with the cone surface and flange, and its rigidity and repeatability positioning accuracy are far superior to BT/NT, making it suitable for high-speed machining center end milling operations; 50A/63A/100A represents the flange reference size, which gradually increases from small to large corresponding to the spindle torque, rigidity, and applicable scenarios of the machine tool.
| 订单号 Order No. | L | L2 | L3 | L4 | D | d1 | T |
| HSK50AXX6-65 | 90 | 39 | 18 | - | 50 | 25 | M6X1.0 |
| HSK50AXX8-65 | 90 | 39 | 18 | - | 50 | 28 | M8X1.25 |
| HSK50AXX10-65 | 90 | 39 | 18 | - | 50 | 35 | M10X1.5 |
| HSK50AXX12-80 | 105 | 54 | 20 | - | 50 | 42 | M12X1.75 |
| HSK50AXX14-80 | 105 | 54 | 22.5 | - | 50 | 44 | M14X1.75 |
| HSK50AXX16-80 | 105 | 54 | 24 | - | 50 | 48 | M16X2.0 |
| HSK50AXX18-80 | 105 | 54 | 24 | - | 50 | 50 | M18X2.0 |
| HSK50AXX20-80 | 105 | 54 | 25 | - | 50 | 52 | M20X2.0 |
| HSK63AXX6-65 | 97 | 39 | 18 | - | 63 | 25 | M6X1.0 |
| HSK63AXX8-65 | 97 | 39 | 18 | - | 63 | 28 | M8X1.25 |
| HSK63AXX10-65 | 97 | 39 | 18 | - | 63 | 35 | M10X1.5 |
| HSK63AXX12-80 | 112 | 54 | 20 | - | 63 | 42 | M12X1.75 |
| HSK63AXX14-80 | 112 | 54 | 22.5 | - | 63 | 44 | M14X1.75 |
| HSK63AXX16-80 | 112 | 54 | 24 | - | 63 | 48 | M16X2.0 |
| HSK63AXX18-80 | 112 | 54 | 24 | - | 63 | 50 | M18X2.0 |
| HSK63AXX20-80 | 112 | 54 | 25 | - | 63 | 52 | M20X2.0 |
| HSK63AXX25-110 | 142 | 84 | 24 | 25 | 63 | 65 | M16X1.0 |
| HSK63AXX32-110 | 142 | 84 | 24 | 28 | 63 | 72 | M20X2.0 |
| HSK100AXX6-80 | 130 | 51 | 18 | - | 100 | 25 | M6X1.0 |
| HSK100AXX8-80 | 130 | 51 | 18 | - | 100 | 28 | M8X1.25 |
| HSK100AXX10-80 | 130 | 51 | 20 | - | 100 | 35 | M10X1.5 |
| HSK100AXX12-80 | 130 | 51 | 22.5 | - | 100 | 42 | M12X1.75 |
| HSK100AXX14-100 | 150 | 71 | 22.5 | - | 100 | 44 | M14X1.75 |
| HSK100AXX16-100 | 150 | 71 | 24 | - | 100 | 48 | M16X2.0 |
| HSK100AXX18-100 | 150 | 71 | 24 | - | 100 | 50 | M18X2.0 |
| HSK100AXX20-100 | 150 | 71 | 25 | - | 100 | 52 | M20X2.0 |
| HSK100AXX25-100 | 150 | 71 | 24 | 25 | 100 | 65 | M16X2.0 |
| HSK100AXX32-100 | 150 | 71 | 24 | 28 | 100 | 72 | M20X2.0 |
| HSK100AXX40-100 | 150 | 71 | 30 | 32 | 100 | 90 | M20X2.0 |
Side fixed SLA (dedicated for straight shank vertical milling, preferred for rough machining)
1.Principle: The side top thread directly locks the straight shank milling cutter, without cylinder clamp, with huge clamping force and no slipping
2.Clamping range: Φ 6~Φ 32mm
3. Advantages: The strongest rigidity, resistance to heavy cutting, simple maintenance, and wear resistance
4. Applicable: tungsten steel end mills, white steel knives, large surplus roughing, stainless steel/mold steel processing
General parameters for material and precision (unified standard for the entire series)
1. Material: 20CrMnTi carburizing and quenching, HRC56~60， Carbonized layer ≥ 0.8mm, rust resistant and wear-resistant
2. Cone tolerance: AT3 level; True roundness<0.8 μ m, surface roughness Ra<0.5 μ m
3. Factory dynamic balance: standard G6.3; High speed demand can be customized G2.5/G1
4. Repetitive positioning accuracy: ≤ 2 μ m, axial/radial rigidity better than BT tool holder by 30%+
5. Cooling: Supports spindle center water outlet+flange end water outlet, excellent deep cavity chip removal
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Tel: +86 534 425 1888
Mob/WhatsApp/Wechat: +86 137 9138 1619
E-mail: jacksun@ht-tools.net
Add.:East Area of Economic Development Area, Pingyuan County, Shandong Province. China 253100
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