Acme Screws | McMaster-Carr

	Thread Type Thread Type

Acme

Metric Acme

Metric Rounded Acme

Rounded Acme

	System of Measurement System of Measurement

Inch

Metric

	Thread Size Thread Size

	Component Component

	Collar
	Handle
	Hex Head Screw
	Lead Screw
	Nut

	Thread Direction Thread Direction

	Right Hand
	Left Hand
	Right Hand and Left Hand

	Material Material

	Length Length

	Nut Type Nut Type


Coupling	Externally Threaded

Flange	Hex

Platform	Round

Square	Thumb

	Travel Distance per Turn Travel Distance per Turn

	Number of Thread Starts Number of Thread Starts

	Threading Threading


Fully Threaded	Partially Threaded

	Speed Ratio Speed Ratio

	Tensile Strength Tensile Strength

	Hardness Hardness

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

DFARS Specialty Metals
Compliant

DFARS Specialty Metals
COTS-Exempt

	Thread Fit Thread Fit

	Thread Pitch Thread Pitch

	Fastener Strength Grade/Class Fastener Strength Grade/Class

	Head Type Head Type

	Hex

	Diameter Diameter

	Height Height

	Width Width

	Specifications Met Specifications Met

ASTM

DIN

Selecting Compatible Lead Screws and Nuts

Lead Screws and Screw Jacks