Nuts are used to attach machine thread fasteners. Different types of nuts come in various sizes and materials.

For more information, please visit our website.

• Sleeve Nuts are used to couple tie rods and provide a limited degree of length adjustment
• Square Nut, Cap Nut, Heavy Hex Nut, Acorn Nut &#; Specialty or standards are available
• Sizes range from 10/32 to 5-4 internal thread
• Length ranges from 1"-14"
• Grades: 2,5,8
• Material: Stainless, steel, brass and aluminum
• Finish: Plain, plated, galvanized, waxed and dyed
• Ability to oversize thread for galvanized applications
• Certified material where required

Coupling nuts allow you to engage two pieces of threaded rods.

Coupling nut with sight hole allows visual verifications that the threads are fully engaged.

Sleeve Nuts-used to couple tie rods and provide a limited degree of length adjustment.

Square Nut, Cap Nut, Heavy Hex Nut, Acorn Nut

• Specialty or standards are available

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Specification for coupler or sleeve nut for threaded rod tie

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Specification for coupler or sleeve nut for threaded rod tie

Specification for coupler or sleeve nut for threaded rod tie

Jc67roch

(Structural)

(OP)

25 Jul 19 22:04

I have specified ASTM A36, hot dip galvanized threaded rods for tiebacks on a project. The contractor is now asking me for a spec on coupler nuts and/or sleeve nuts, as he can't get the rods in sufficient length. Research online seems to indicated the correct spec is ASTM A563, Grade A coupler nuts hot dip galvanized. But I can't find a load rating on these. It appears that the spec provides a nut that will, by nature of the dimensions, thread, and material fully develop the strength of the A36 rod. Is this true? does anyone have more guidance or load rating information/links? Thanks.

RE: Specification for coupler or sleeve nut for threaded rod tie

bridgebuster

(Civil)

26 Jul 19 00:04

Couples are just big nuts. Per A 563, Grade A hex zinc coated couplers have a proof load stress of 68 ksi, up to 1 1/2", heavy hex is 75 ksi, and the proof load is the proof load stress x the tensile stree area. The Portland Bolt Company also has info on their website.

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