端键 meaning in English

end bond
end linkage
end on coupling
end-on coupling
terminal bond
terminal linkage

End milling arbor with mose taper shank and with end key . dimensions
莫氏锥柄带端键端铣刀杆.尺寸
End milling arbor with 7 : 24 taper shank and with end key . dimensions
7 : 24锥柄带端键端铣刀杆.尺寸
Flat - ended keys for deck screw caps for filling and sounding pipes
填充和测深管用平头螺帽的平端键
Shipbuilding . shaft lines . couplings . shaft ends , keys , nuts
造船工业.轴衬线.联轴器.轴端键和螺母