The ThruFast throughbolts, available in zinc plated steel, and A2 stainless steel are excellent for regular anchoring applications. The ThruMaxx ETA7 approved throughbolts comply with the "European Organization for Technical Approval" and are available in zinc plated steel and A4 stainless steel. They offer both strength and reliability for the best possible results.
THRUFAST zpl steel
THRUFAST A2 stnl steel
THRUMAXX ETA7 zpl steel