The light disk material and the vertical bar material are adopted for our machine tool to produce various kinds of ball peens, semi-ball peens, countersinks, semi- countersinks, interior hexagon and other non-standard head bolts and machine spare parts by using the two-times tapping principles. This equipment is of simple technology and easy operation and may be fixed as the plunger to secure the position. type Noproduct lengthproduct diamterthe sliding distance of the liding opieceproductivety (pc/min)motor powerweight(kg)outer form sizeZ12-43-55φ2-φ5801002.212001800×1000×1400Z12-65-80φ4-φ812090440002500×1500×1300Z12-810-120φ6-φ10160805.545003300×1700×1600Z12-1015-140φ8-φ12190607.565003600×1800×1600Z12-1220-160φ8-φ162205015120003800×2000×1700Z12-1625-250φ10-φ181704518.5150004200×2600×1800Z12-2030-250φ12-φ223004022220005000×2800×1900Z12-2030-300φ12-φ223804030280005000×2800×1950Z12-2435-300φ12-φ263803637400005400×3000×2000Z12-3050-300φ16-φ323803655650005600×3100×2200