Specifications: 
 Name: STK251 Nut Type Expansion Sleeve
Material: 45# Steel
Model: STK251
Inner Diameter(d): 14-60mm
Outer Diameter(D): 25-70mm
L: 30mm -52mm
Size: Model-dxDxL
E.g.: STK251-60x70x52mm (Inner Diameter=60mm; Outer Diameter=70mm; L=52mm)
 
Features:
● Long service life, good protection performance, the expansion sleeve relies on friction transmission, no keyway to be linked to weaken the expansion sleeve in the overload, will lose the role of the linkage, can protect equipment from damage.
 
Notes:
● 1.Due to differences in lighting and display effects, colors may vary slightly.
● 2. Manual measurement may result in slight errors of 0-0.5mm in size. Thank you for your understanding!
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