Brass Knobs | McMaster-Carr

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	Material Material

	Handle Material Handle Material

Brass

Stainless Steel

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Head Diameter Head Diameter

	Mount Type Mount Type


Create-Your- Own Hole	Screw

Threaded Hole	Threaded Stud

	Grip Style Grip Style


Ball	Four Arm

Knurled	Oval

Rectangular	Round

	Hub Diameter Hub Diameter

	Hub Height Hub Height

	Head Height Head Height

	Stud Length Stud Length

	Length Length

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Hole Shape Hole Shape

	Round

	Round-Head Thumb Screw Profile Round-Head Thumb Screw Profile


Low	Raised

Flared Collar

	Thread Direction Thread Direction

	Right Hand

	Stud Material Stud Material

Stainless Steel

	Handle Length Handle Length

	Hole Diameter Hole Diameter

	Thumb Screw Head Shape Thumb Screw Head Shape


Round	Spade

	Finish Finish

220 Products

Knobs

Threaded-Stud Knobs

Mount these knobs into a threaded hole. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Threaded-Hole Knobs

Install these knobs on a threaded stud. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Threaded Through-Hole Knobs

Long shafts can thread through these knobs for mounting versatility. The knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Unthreaded-Hole Knobs

Tap custom threads or secure with a set screw to provide a firm grip to position, tighten, and hold fixtures, equipment, and machinery.

Unthreaded-Hole Knobs with Handle

A handle makes these knobs easy to turn. Tap custom threads or secure with a set screw to provide a firm grip to position, tighten, and hold fixtures, equipment, and machinery.

Machinable-Hub Knobs

Mill specific holes or keyways in the hub to meet your specifications, or weld in place. These knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Machinable-Hub Knobs with Handle

A handle makes these knobs easy to turn. Mill specific holes or keyways in the hub to meet your specifications, or weld in place. These knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Threaded-Hole Ball Knobs

Install these traditional, easy-to-grip ball knobs on a threaded stud. They're good for control levers and push-pull rods.

Adjustable-Fit Valve Handles

Whether you're looking for a stopgap or permanent replacement, these valve handles adjust to fit a range of valve and faucet stem widths.

Pull Handles and Knobs

Threaded-Hole Pull Handles

Thread screws through holes from the back of your surface into the handles to open and close a variety of doors and drawers, including those on furniture, machines, and equipment.

Unthreaded-Hole Pull Handles

Fasten these handles directly to the front of your surface to open and close a variety of doors and drawers, including those on furniture, machines, and equipment.

Threaded-Stud Pull Handles

Insert studs into holes in your surface and secure from the backside to open and close a variety of doors and drawers, including those on furniture, machines, and equipment.

Unthreaded Through-Hole Recessed
Folding Pull Handles with Mounting Plate

Fasten these handles directly to the front of your surface. They fit into a cutout, so they are flush with the mounting surface. Their grip drops out of the way when you let go. Use them to open and close a variety of doors and drawers on chests, crates, furniture, machines, and equipment.

Threaded-Hole Offset Pull Handles

Thread screws through holes from the back of your surface into the handles to open and close a variety of doors and drawers, including those on furniture, machines, and equipment. The grip is offset from the mounting surface so there's room to fully grasp the handle.

Fasteners

Brass Raised Knurled-Head Thumb Screws

Brass thumb screws are corrosion resistant in wet environments and electrically conductive.

Brass Flared-Collar Knurled-Head Thumb Screws

Brass thumb screws are corrosion resistant in wet environments and electrically conductive.

Brass Low-Profile Knurled-Head Thumb Screws

Brass thumb screws are corrosion resistant in wet environments and electrically conductive.

Brass Spade-Head Thumb Screws

Brass thumb screws are corrosion resistant in wet environments and electrically conductive.

Twist-to-Lock Knob-Style Retractable Spring Plungers

Lock the nose into the retracted position by pulling the knob and rotating it 90°.

Knob-Style Retractable Spring Plungers

Retract the nose by pulling the knob.

Door Handles and Knobs

Push-Button Combination Door Knobs

Unlock the outside knob with a combination; the inside knob is always unlocked.

Push-Button Combination Door Handles

Gain access from the outside with a combination; the inside handle is always unlocked.

Push-Button Combination Door Handles with Key Option

To gain access from the outside with a key as well as a combination, these handles accept an easy-change lock cylinder. The inside handle is always unlocked.

Push and Pull Plates

Protect doors while making them easy to open.

Knobs

Threaded-Stud Knobs

Threaded-Hole Knobs

Threaded Through-Hole Knobs

Unthreaded-Hole Knobs

Unthreaded-Hole Knobs with Handle

Machinable-Hub Knobs

Machinable-Hub Knobs with Handle

Threaded-Hole Ball Knobs

Adjustable-Fit Valve Handles

Adjustable-Fit Valve Handles

Pull Handles and Knobs

Threaded-Hole Pull Handles

Unthreaded-Hole Pull Handles

Threaded-Stud Pull Handles

Unthreaded Through-Hole RecessedFolding Pull Handles with Mounting Plate

Threaded-Hole Offset Pull Handles

Fasteners

Brass Raised Knurled-Head Thumb Screws

Brass Flared-Collar Knurled-Head Thumb Screws

Brass Low-Profile Knurled-Head Thumb Screws

Brass Spade-Head Thumb Screws

Twist-to-Lock Knob-Style Retractable Spring Plungers

Knob-Style Retractable Spring Plungers

Door Handles and Knobs

Push-Button Combination Door Knobs

Push-Button Combination Door Handles

Push-Button Combination Door Handles with Key Option

Push and Pull Plates

Unthreaded Through-Hole Recessed
Folding Pull Handles with Mounting Plate