DRYWALL SCREW SETTER #2
• S2 Chrome molybdenum steel will not bend or lose its shape • Consistent Rockwell Hardness (HRC) of 59-61 is carefully controlled to ensure the bit is hard enough to keep its shape but not too hard to damage the screw head • Screw head profile is carefully controlled for a secure fit which greatly affects screw driving performance - 1/4in (6.35mm) shank >> S2 Chrome molybdenum steel will not bend or lose its shape. Consistent Rockwell Hardness (HRC) of 59-61 is carefully controlled to ensure the bit is hard enough to keep its shape but not too hard to damage the screw head. Screw head profile is carefully controlled for a secure fit which greatly affects screwdriving performance - 1/4in (6.35mm) shank.