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针规塞规28.21/28.22/28.23/28.24/28.25/28.26/28.27/28.28/.29
针规高精度塞规28.22 28.23 28.24 28.25 28.26 28.27 28.28mm
。针规高精度塞规28.22 28.23 28.24 28.25 28.26 28.27 28.28mm
针规量棒塞规28.2 28.21 28.22 28.23 28.24 28.25 28.26 28.27
速发28.24i塞规针规28.21 28.22 28.23 28.25 28.26 28.27 28.28
销式针规塞规高精28.21/28.22/28.23/28.24/28.25/28.26/28.27MM
硬质钨钢球合金球28.205/28.21/28.215/28.22/28.225/28.23mm钢珠
精密针规销式塞规28.21/28.22/28.23/28.24/28.25/28.26/-28.29MM
深立工针规塞规量棒棒规销规28.2