Jig for rapidly detecting position degree of blind holes with threads in product

The invention discloses a jig for rapidly detecting the position degree of blind holes with threads in a product. The jig comprises a clamping jig for fixing the product, and a measuring jig used formeasuring the positions of the blind holes with the threads in the product, and the measuring jig comprises an upper cover plate and detecting needles arranged on the upper cover plate and used for measuring the positions of the blind holes with the threads in the product; and the clamping jig comprises a lower cover plate for storing the product and further comprises a middle plate and a bearingplate which are arranged at the bottom of the lower cover plate, sliding blocks are arranged on the middle plate, baffles for clamping or supporting the product are arranged on one sides of the sliding blocks, tapered wedges are arranged on the other sides of the sliding blocks and connected with ejector blocks arranged on the bearing plate, the ejector blocks are connected with an ejector mechanism arranged at the bottom