UNS Taps | McMaster-Carr

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	System of Measurement System of Measurement

Inch

	Thread Size Thread Size

	Thread Type Thread Type	Show

UNS

	Thread Type Thread Type	Hide

	Component Component

Tap

Die

	For Use On For Use On

	Chamfer Type Chamfer Type

Plug

Bottoming

Taper

	Thread Direction Thread Direction


Right Hand	Left Hand

	Flute Type Flute Type

	Straight
	Spiral Point
	Spiral

	Width Width

5/8"

1 7/16"

1 13/16"

	Application Application

Through-Hole Threading

Closed-End Hole Threading

	Shape Shape

	Hex

	Shank Type Shank Type


Square	Round

	Number of Pieces Number of Pieces

	Number of Dies Number of Dies

	Pipe Size Pipe Size

1/8

1/4

	Individual/Set Individual/Set

Individual

Set

	Number of Taps Number of Taps

	Material Material

	Finish Finish

Uncoated

Titanium Nitride (TiN) Coated

Titanium Carbonitride (TiCN)
Coated

Aluminum Titanium Nitride
(AlTiN) Coated

	Number of Tapping Ends Number of Tapping Ends

	Container Type Container Type

Plastic Case

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

REACH Compliant

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

RoHS Compliant

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433 Products

Threading

General Purpose Taps

Cut threads into most metal and plastic.

Left-Hand General Purpose Taps

Tap threads for left-hand threaded fasteners.

Economy Carbon Steel Taps

Often used for thread repair and occasional hand tapping, these carbon steel taps can thread holes in most metal and plastic, but they have a shorter tool life than standard taps.

Chip-Clearing Taps for Through Holes

Keep chips clear while tapping. Also known as gun taps, these have spiral-point flutes that push chips ahead of the tap and out of through holes.

Thread Mills

Cut a range of thread sizes with a single tool. These thread mills can also produce both right-hand and left-hand threads.

Spark Plug Thread Taps

Use these high-speed steel taps to cut and repair threads in the sizes needed to accept spark plugs.

Tap Sets

These taps are for use on most metal and plastic.

Left-Hand Tap Sets

For start-to-finish tapping of left-hand threads, these sets include one taper-, one plug-, and one bottoming-chamfer tap.

Tap and Die Sets

Use a single set for many sizes of internal and external threads. All sets include tap and die wrenches.

Helical Inserts with Installation Tools

Inserts come with a through-hole tap and installation tool.