SK40 SK50 DIN 69871 Slim Straight Holder for Screw-In End Mills, Thread M10-M16, Length 100-150 mm

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Product description

Tool holder with an SK (ISO) taper to DIN 69871 for holding end mills and milling heads with a screw-in connection (screw-in type), in a slim, straight version. The tool attaches at the front of the holder through a matching M thread interface. The slim body and small outside diameter are intended for work in confined spaces and with greater reach. Available with SK40 (ISO40) and SK50 (ISO50) tapers, M10, M12 and M16 threads and working lengths of 100, 125 and 150 mm.

Applications

Holding screw-in end mills and milling heads with M10, M12, M16 threads.
Milling with greater reach and in confined spaces using the slim, straight body.
Use on machining centers and CNC milling machines with SK40 and SK50 tapers (DIN 69871).
Roughing and finishing operations requiring rigid, repeatable clamping.

The screw-in connection is intended to keep the tool-holder assembly compact, with a small outside diameter.

Specification

Parameter	Value
Taper type	SK40 / SK50 (DIN 69871)
Clamping type	screw-in end mill, slim straight version
Thread M	M10, M12, M16
Working length L	100, 125, 150 mm (depending on variant)
Pull stud	thread for a pull stud (retention knob) - purchased separately
Material	hardened alloy steel

Available sizes

SK DIN 69871 slim straight screw-in holder specification

Selection

Select the taper for the machine spindle (SK40 or SK50), the M thread for the screw-in cutter thread (M10-M16), and length L for the required reach. In the code, e.g. SK40-M12-119 L=100: SK40 taper, M12 thread, overall length A=119 mm, working length L=100 mm.

FAQ

Which cutters does this holder fit?
Screw-in end mills and milling heads with an M thread (M10, M12, M16). The cutter thread must match the holder thread.

How does the slim straight version differ from the standard version?
The straight version has a slimmer, straight body and is available in greater lengths (100-150 mm) for work with greater reach and in confined spaces. The screw-in clamping principle is the same.

Does it fit a CNC machine with automatic tool changing?
The DIN 69871 (SK) taper is used on machining centers. Match the taper standard and size to the spindle requirements. It also requires a suitable spindle-specific pull stud (retention knob), purchased separately.