Hillman Nickel-Plated Steel Domed Acorn Cap Nuts 1/4-20 Coarse Thread | Rounded top covers the bolt end, smooth finished look, guards sharp threads, furniture, railings, playgrounds, bright shine

★★★★★ 5.0 83 reviews

US$6.67
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Management number 247599331 Release Date 2026/08/16 List Price US$6.67 Model Number 247599331
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Product Description Hillman Acorn Cap Nuts give a bolted connection a clean, finished appearance while protecting anyone near it. Sized to fit a 1/4-20 thread, the nut threads onto the end of a bolt and its closed domed crown covers the exposed, sharp thread, so the connection looks tidy and there is no rough end to snag hands, clothing, or passing surfaces. Below the smooth dome are six wrench flats, so the nut can be tightened down snugly with a standard wrench over the protruding bolt thread. The closed top also keeps dirt and moisture out of the thread end, which helps the joint stay clean and serviceable in visible, finished installations. Made from steel with a bright nickel plating, the cap nut resists rust and corrosion while adding a polished, decorative shine. That combination suits it to connections that are on display, where the hardware should look intentional and finished rather than purely utilitarian, indoors or in light outdoor use. Use these cap nuts for furniture, railings, playground equipment, machinery covers, and any exposed bolt end where appearance and a covered thread matter. They pair with a matching bolt, and the bright plated dome stays looking clean with an occasional wipe. This pack provides a ready supply for decorative and finished fastening projects around the home, shop, and yard. From the Manufacturer This acorn cap nut is a hex nut with an enclosed dome and it is partially internally threaded. The dome feature offers protection of exposed screw threads and a decorative appearance as a finishing fastener. The cap nut also protects from injury by covering exposed threads.

  • FINISHES AND PROTECTS BOLT ENDS: This acorn nut threads onto a bolt to cap the exposed end with a smooth domed top, giving a clean, finished look while covering sharp threads to protect hands, clothing, and nearby surfaces from snags.
  • CLOSED DOME TOP, WRENCH FLATS: Sized to fit a 1/4-20 thread, the nut has a closed domed crown that seals the bolt end and six flats below it, so a standard wrench can tighten it down snug over the protruding thread for a tidy finish.
  • NICKEL-PLATED STEEL: Made from steel with a bright nickel plating, the cap nut resists rust and corrosion while adding a polished, decorative shine, making it well suited to visible and finished connections indoors and in light outdoor use.
  • FURNITURE AND RAILING USE: Ideal for furniture, railings, playground equipment, machinery covers, and any exposed bolt end where a finished appearance and a covered thread matter, a decorative and protective choice for visible connections.
  • TRUSTED HILLMAN QUALITY: Hillman supplies dependable fasteners and hardware that homeowners and pros rely on for everyday projects. Keep these nuts on hand for assembly, mounting, and repair jobs around the home and shop.
UPC 008236072709
ASIN B00176PPIS
Brand Hillman
Color Nickel
Model 180087
Set Name Nickel Acorn Nuts Set of 100
Size Name 1/4"x 20"
Metal Type Nickel
Unit Count 100 Count
Drive Style External Hex
Item Weight 16 ounces
Part Number 180087
Thread Size 1/4"-20
Thread Type Unified National
Finish Types Nickel
Grade Rating commercial
Manufacturer The Hillman Group
Thread Class Class 2A
Thread Style Right Hand
Fastener Type Acorn
Item Diameter 0.25 inches
Material Type Nickel
Item Type Name Nickel Acorn Nuts
Exterior Finish Nickel
Item Dimensions 2.31 x 2.68 x 1.56 inches
Number Of Items 100
Number of Packs 1
Thread Coverage Partially Threaded
Number of Pieces 100
Outside Diameter 0.25 inches
Screw Head Style Hex
Inside Thread Size #4
Included Components Nickel Acorn Nuts
Warranty Description Warranty
Compatible Groove Diameter 0.25 inches
Global Trade Identification Number 00008236072709

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