Light Source M-12 Nylock Nut for Countersunk Mega-Coupler(0)No Reviews yet $13.28 Quantity discounts available QuantityPrice SKU: Light Source NN-M12-8ZP Quantity -+ Add to Cart Details Metric:Countersunk Mega-Couplers can be converted to metric using metric bolts and nuts. The M-12 fits the 1/2" Countersunk Mega-Coupler.Mega-Coupler ... Details Back DetailsMetric:Countersunk Mega-Couplers can be converted to metric using metric bolts and nuts. The M-12 fits the 1/2" Countersunk Mega-Coupler.Mega-Coupler Parts Specifications.pdf Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review