6 TPI tus hniav qauv kom ceev ceev, huv si txiav hauv cov tawv thiab mos, plywood, yas, OSB, 1/4 Hauv. Hauv. rau 2-3/8 In. tuab. High carbon steel siv rau lub neej ntev hauv cov ntaub ntawv ntoo.3-5/8 Hauv. zuag qhia tag nrho ntev, 3 In. ua hauj lwm ntev.