Renewable Energy fasteners & bolting.
High-strength and corrosion-resistant fasteners for wind, solar and hydrogen infrastructure.

Wind, solar, and energy-storage projects combine structural bolting volume with tight project schedules. Domestic manufacture means short lead times, verified material origin, and one supplier from anchor bolts to tower internals.
See where the bolts go.

Wind Turbine
Foundation anchor bolts, lower tower flange bolts, upper tower flange bolts, yaw bearing bolts, yaw drive mounting bolts, main bearing housing bolts, shrink disc bolts, torque arm support bolts, generator mounting bolts, main shaft flange bolts, pitch bearing to hub bolts and blade root studs.
Solar Tracker Row
Pile cap bracket bolts, bearing housing bolts, drive mounting bolts, gear motor cap screws, drive output flange bolts, torque tube splice bolts, damper pins and mount bolts, module rail U-bolts, module clamp bolts and bonding jumper bolts.

Electrolyzer Stack
Manifold flange studs and nuts, tie rods, tie rod nuts, hardened washers, spring guide sleeves, bus bar bolts and nuts, end plate foot bolts, anchor bolts and lifting eye bolts.
Grades renewable energy runs on.
ASTM F3125 Grade A325 Structural Bolts (120 ksi)
The structural steel connection bolt: heavy hex head, 120 ksi tensile, ½ to 1½ in., quenched and tempered, with the twist-off F1852 and metric A325M variants in the same specification.
ASTM F3125/F3125M Grade A490 · Type 1 and Type 3ASTM F3125 Grade A490 Structural Bolts (150 ksi)
The high-strength structural bolt: alloy steel, 150 to 173 ksi tensile, ½ to 1½ in., never hot-dip galvanized — with the twist-off F2280 and metric A490M variants in the same specification.
ASTM F1554ASTM F1554 Grades 36, 55 and 105 Anchor Bolts
The anchor-bolt specification: Grade 36 carbon steel, Grade 55 weldable higher strength, and Grade 105 quenched-and-tempered alloy — straight, bent or headed, plain or galvanized, ½ to 4 in. (Grade 105 to 3 in.)
ASTM A449 Type 1 · SAE J429 Grade 5SAE Grade 5 / ASTM A449 Bolts (120 ksi)
The everyday high-strength bolt: quenched and tempered medium-carbon steel at 120 ksi to 1 in., stepping down for larger sizes — Grade 5 in SAE terms, A449 in ASTM terms.
ASTM A354 Grade BD · SAE J429 Grade 8SAE Grade 8 / ASTM A354 Grade BD Bolts (150 ksi)
The high-strength alloy bolt: quenched and tempered alloy steel at 150 ksi tensile and 130 ksi yield in all sizes to 4 in. — Grade 8 in SAE terms, A354 BD in ASTM terms.
ASTM A276 bar · ASTM F593 bolts316 Stainless Steel (UNS S31600)
The marine and chemical-plant stainless: 2 to 3 percent molybdenum for pitting and crevice resistance in chlorides, with the same strength tables as 304.

