1-8 x 5 1/2 Grade 5 Hex Cap Screw Zinc Plated

the hardness rating is HRC 24-35

50 x 40 Hex Cap Screw DIN 933 A2 (18-8) Stainless Steel - DIN 933 A2 Hex Cap Screws are manufactured from A2-70 stainless steel per ISO 3506 part 1

8 x 1 5/8 Simpson Bugle-Head Wood Decking Screws - 6-Lobe Drive 305 SS - 1 lbs Pack (150)

18-8 nuts are characterized as having a chromium content of 18% and nickel content of 8-10%

5/16 x 12 ITM SDS Plus eVolution™ Hammer Drill Bit Nylon Insert Locknuts Zinc Plated 1-8 x 5 1/2 Grade5 16 x 12 ITM SDS Plus eVolution Hammer Drill Bit . An all new designed solid 4 x 90? head symmetry and 4 symmetrical functioning spiral ridges for fast, accurate and tough drilling through all aggregates, concrete, masonry, brick, stone and rebar. 50% more holes Drills rebar No "sticking" Less breakage Less vibration Made in Germany