Reliable tooling.
Simpler buying.
Precision CNC tool holders, collets and machine-tool accessories supplied through one clear, dependable source – from product selection and communication to delivery.
Choose by machine interface.
From high-speed HSK systems to widely used BT, BBT and SK interfaces, SUNSTONE helps distributors and machining customers identify the right holder family quickly.
DIN 69893HSK Tooling Systems
SDC, GSK, ER, GER, FMA/FMB and specialty holders for HSK-A, HSK-E and HSK-F interfaces.
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ISO 7:24ISO Tool Holders
High-speed ER, GER and GSK collet chucks for ISO20, ISO25 and ISO30 interfaces.
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NBT30NBT Tool Holders
ER, GER and GSK families for compact NBT30 precision-machining interfaces.
Explore NBT Series →MAS 403 BTBT Tool Holders
SDC, GSK, ER, GER, FMA/FMB and specialty holders across BT30, BT40 and BT50.
Explore BT Series →DUAL CONTACTBBT Tooling Systems
Dual-contact ER collet chucks and FMB face-mill arbors for greater rigidity.
Explore BBT Series →DIN 69871SK Tooling Systems
ER, FMB, SLN and MTA holder families for SK40 and SK50 interfaces.
Explore SK Series →
EXTENSION BARTool Holder Extension Bars
SDC, ER and ER-M extension configurations for long-reach and restricted-access machining.
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ACCESSORIESTooling Accessories
Collets, inspection gauges, retention knobs, nuts, spanners and tool-holder devices.
Explore Accessories →Send us your tooling requirement.
Share your machine interface, holder type, tool diameter and required quantity. We will respond with product guidance and quotation information.
