CONTRACTOR SELECT — Castle Nuts — 2-1/4"-12 Grade 2 Plain Finish Carbon Steel Round Slotted Castle Nut

Designed for professional use, this CONTRACTOR SELECT Castle Nuts helps keep parts and tooling consistent across routine service tasks.

Quick specs

• Material: Steel
• Finish: Black Oxide
• System of Measurement: Inch
• Dia./Thread Size: 2-1/4"-12
• Manufacturer Part Number: U12020.225.0001
• UPC: -

Product information

• Country of Origin: Multiple
• Manufacturer Part Number: U12020.225.0001
• UPC: -

Dimensions

• Thread Size: 2-1/4"-12
• Dia./Thread Size: 2-1/4"-12
• Hex Width: 3 3/8 in
• Width Across Flats: 3 3/8 in

Details

• Thread Type: UNF
• Item: Castle Nut
• System of Measurement: Inch
• Nut Style: Hex Slotted Nut-Regular
• Material: Steel
• Finish: Black Oxide
• Fastener Thread Type: UNF (Fine)
• Nut Standards: ASME B18.2.2
• Fastener Thread Direction: Right Hand
• Fastener Finish: Plain
• Basic Material: Steel
• Material Grade: Grade 2
• Pack Size: Small Pack
• Lock Type: Slotted Castle
• Dimensional Standards: ASME B18.2.2
• Material Grade/Class: Grade 2
• Hex Type: Standard Hex
• Type: Slotted
• Thread Direction: Right Hand

This Castle Nuts is chosen for predictable fit and professional handling.

Recommended for planned maintenance programs and intended for professional buyers focused on durability and uptime.

Highlights

• Clear specification formatting helps reduce ordering mistakes.
• Organized for straightforward purchasing and stocking.
• Suitable for maintenance, repair, and project-based procurement.
• Helps keep specifications consistent across replacements and replenishment cycles.

Notes: Confirm fit, compatibility, and any site-specific requirements prior to ordering or installation.