Direct tension indicator Washers ASTM F959 – 10.9 M12 – 300 pcs. M20 – 400 pcs. M22 – 120 pcs. M24 – 1400 pcs. M27 – 1200 pcs. M30 – 3100 pcs. M33 – 400 pcs. M36 – 900 pcs. M39 – 800 pcs. M42 – 3400 pcs.