tee slot bolts
Aluminum Alloy Quick Acting Hold Down Clamp T-slot T ...
Lot 4 Each 24" Aluminum T Track 3/4" by 3/8" Slot, Accepts 1/4" Hex Bolts, 1/4" and 5/16" T Bolts, Countersunk Holes Every 6" 112114.
T-Slot Bolts DIN 787 | JW Winco
DIN 787 Metric Size, Steel T-Slot Bolts order online directly from the manufacturer
HOLE OR SLOT Tiếng việt là gì - trong Tiếng việt Dịch
Another advantage of slotted holes is that they can reduce the prying action and bending stresses on the bolts and the connected plates, by allowing the bolts to slip slightly in the direction of the slot.