Vendor Approval RDSO Certificates

Bolts

• HEX HEAD BOLT / Screw
• HEAVY HEX BOLT / Screw
• HSFG BOLT ASSY.
• AXLE CAP SCREW
• ROUND HEAD SCREW/BOLT
• FLANGE BOLT
• COUNTER HEAD SCREW
• SLOTTED CSK SCREW
• ALLEN HEAD BOLT

Nuts

• HEX NUT
• HEAVY HEX NUT
• LOCK NUT
• PREVAILING TORQUE NUT
• FLANGE NUT
• CASTLE NUT
• NYLOCK NUT
• FLANGE BOLT
• JAM NUT

Washers

• PLAIN WASHER
• BEVELED/TAPERED WASHER
• CHAMFERED / MACHINES WASHER
• SPRING WASHER
• DTI WASHER
• EAR WASHERS

• PETRO CHEMICAL FASTENERS

Special Fasteners

• FOUNDATION BOLT
• TENSION CONTROL BOLT
• SHEAR CONNECTOR
• RIVET
• U BOLT
• COTTER PIN
• ROUND SCREW BOLT
• FIT BOLT