7/16"-20 Knobs | McMaster-Carr

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System of Measurement

Thread Size

Color

Material

Thread Depth

Grip Style

Mount Type

Threaded Through Hole

Head Diameter

1 3/8"

Maximum Temperature

250° F or greater

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Thread Direction

Hole Shape

Insert Material

Minimum Temperature

Handle Length

Hub Projection

Projection

Finish

8 Products

Threaded-Hole-Mount Ball Knobs

Style 1

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

303 Stainless Steel—303 stainless steel knobs have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.

Aluminum—Aluminum knobs have mild corrosion resistance, are lightweight, and are nonmagnetic.

Brass—Brass knobs have good corrosion resistance and are nonmagnetic.

Phenolic—Phenolic knobs are a lightweight alternative to metal. They resist oil, grease, and solvents. Phenolic has good scratch resistance.

	Thread						Each
	Size	Dp.	Head Dia.	Insert Material	Temp. Range, ° F		1-9	10-Up
Style 1







				Steel

				7/16"-20	5/8"	1 3/8"	—	—	0000000	00000	00000




						303 Stainless Steel

						7/16"-20	5/8"	1 3/8"	—	—	0000000	00000	00000




								Aluminum

								7/16"-20	5/8"	1 3/8"	—	—	0000000	0000	0000




										Brass

										7/16"-20	5/8"	1 3/8"	—	—	00000000	00000	00000




												Black Phenolic

												7/16"-20	3/4"	1 3/8"	Brass	-30 to 400	0000000	0000	0000




														Red Phenolic

														7/16"-20	3/4"	1 3/8"	Brass	-30 to 400	0000000	0000	0000

Handle Nuts

Style A

Image of Attribute. Front orientation. Contains Annotated.

Use these handles for quick assembly and disassembly. Their offset grip provides leverage, making them a good alternative to wing nuts. Long shafts can thread through these handles for mounting versatility.

Zinc-Plated Iron—Zinc-plated iron handle nuts have corrosion resistance.

		Thread
	Style	Size	Dp.	Handle Lg.	Projection	Hub Projection		Each
Threaded Through-Hole Mount







				Iron

				A	7/16"-20	5/8"	3 3/4"	1 13/16"	5/8"	000000000	00000




						Zinc-Plated Iron

						A	7/16"-20	5/8"	3 3/4"	1 13/16"	5/8"	000000000	0000