Round Head Bolts | McMaster-Carr

Filter by

System of Measurement

Thread Size

Length

Drive Style

Drilled Spanner

Tamper-Resistant Hex

Tamper-Resistant Torx

Material

Stainless Steel

Fastener Head Type

Rounded Head Style

Finish

Black Zinc Plated

Corrosion-Resistant Coated

Hot-Dipped Galvanized

Phosphate Coated

Zinc Flake Coated

Head Diameter

Threading

Partially Threaded

Screw Size

Head Height

Drive Size

Tip Type

Thread Type

Thread Direction

For Use In

Rounded Head Profile

Thread Pitch

Thread Spacing

Specifications Met

Federal Specification

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

Export Control Classification Number (ECCN)

Tensile Strength

Less than 50,000 psi

50,000 psi to 69,999 psi

70,000 psi to 79,999 psi

80,000 psi to 99,999 psi

100,000 psi or greater

How can we improve?

15,847 Products

Fastening and Joining

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

10,403 products

Carriage Bolts

A smooth head provides a finished look while a square neck keeps the bolt in place when using a nut

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish

Tapping Screws

Fasten a range of materials together without needing to tap the hole first

Fastener Assortments

Fastener Assortments

Stay prepared by keeping fasteners in common sizes and materials on hand

Plow Bolts

The head sits flush with countersunk holes while the bolt stays in place when tightening a nut

Captive Panel Screws

Captive Panel Screws

Secure panels and enclosures while still having access to them

Wood Screws

Fasten material to wood or pieces of wood to each other

Drywall Screws

Fasten panels of drywall to materials such as wood, metal, and drywall

Binding Barrels and Screws

Binding Barrels and Screws

Thread together for a low-profile fastener

Binding Barrel Screws

Binding Barrel Screws

Pair with a barrel to create a custom low-profile fastener

Anchors

Secure anything from signs to heavy machinery in concrete, brick, and drywall

Screw Nails

Drive like nails but hold like screws in drilled holes in wood, plastic, drywall, and masonry

Building and Machinery Hardware

Protective Caps

Protective Caps

Protect just about anything, including pipe, flanges, screws, and posts

Facility and Grounds Maintenance

Toilet Seat Fasteners

Toilet Seat Fasteners

Secure toilet seat hinges to your toilet bowl

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)