When you work in construction or a service industry — or even when you are a passionate do-it-yourself enthusiast — you need a wide range of fastening solutions you can count on to perform durably over the long-term

3/8 Cobalt Heavy Duty Jobber Drill Bit

5/8-11 x 6 1/2 Hex Cap Screw SS 316 (A4)

They are also acceptable for use in ACQ pressure-treated lumber

M42-4.50 x 340 Socket Cap Screw 12.9 Alloy Plain DIN 912 M27-3.00 Socket Cap Screws 12.9 Alloy Plain DIN 912 When you work in constructionM42 4. 50 x 340 Socket Cap Screw 12. 9 Alloy Plain DIN 912 . Alloy Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds DIN 912. Manufactured from heat treated alloy steel, 1960 series.