9/16"-18 Handles | McMaster-Carr

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	Manufacturer Model Number Manufacturer Model Number

	Manufacturer Manufacturer

Harris

Victor

	For Manufacturer Series For Manufacturer Series

Professional

400

	For Use With For Use With

Oxygen/Acetylene

	Component Component

Cutting Torch Handle

Torch Handle

	For Heating Nozzle Model Number For Heating Nozzle Model Number

MFA

MFA-1

	Welding Process Welding Process

Oxyacetylene

	System of Measurement System of Measurement

Inch

	Thread Size Thread Size	Show

9/16"-18

	Thread Size Thread Size	Hide

	Thread Type Thread Type

UNF

UNS

UNEF

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

DFARS Specialty Metals
COTS-Exempt

	For Cutting Attachment Model Number For Cutting Attachment Model Number

	For Welding Nozzle Series For Welding Nozzle Series

W-1

	Gender Gender

Male

	Cutting Capacity Cutting Capacity

	For Maximum Material Thickness For Maximum Material Thickness

5" to 6.9"

	Thread Fit Thread Fit

Class 2B

Class 3B

	For Cutting Tip Series For Cutting Tip Series

1-101

6290

	Length Length

21"

	Head Angle Head Angle

90°

	Gauge Type Gauge Type

No-Go

	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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10 Products

Threaded Plug Gauges

These have a go gauge on one end and a no-go gauge on the other end. They allow you to inspect internal threads on parts. A taperlock handle lets you quickly replace worn gauges.

Check the minimum internal thread size with the go gauge end, and check the maximum internal thread size with the no-go gauge end. A part is within tolerance if it’s easy to thread the go gauge into the part but difficult to thread the no-go gauge more than two turns.

Threads have different classes of fit. Thread fit designates the tightness or looseness of mating threads. For example, inch threads with a 3B fit have tighter tolerances than threads with a 2B fit.

For technical drawings and 3-D models, click on a part number.

Inch

Class X
Thread Size	Thread Type	Pitch Dia. Tolerance	Hardness	Material	Choose a Thread Fit		Each
9/16"-18	UNF	-0.0003" to 0.0003"	Rockwell C70	Chrome-Plated Tool Steel	Class 2B, Class 3B	00000000	0000000

Threaded Plug Gauges with Calibration Certificate

These gauges come with a certificate of calibration traceable to NIST that states they’ve passed a test for accuracy. They allow you to inspect internal threads on parts. All have a go gauge on one end and a no-go gauge on the other end. A taperlock handle lets you quickly replace worn gauges.

Threads have different classes of fit. Thread fit designates the tightness or looseness of mating threads. For example, inch threads with a 3B fit have tighter tolerances than threads with a 2B fit.

For technical drawings and 3-D models, click on a part number.

Inch

					Class 2B		Class 3B
Thread Size	Thread Type	Pitch Dia. Tolerance	Hardness	Material		Each		Each
Class X
9/16"-18	UNF	-0.0003" to 0.0003"	Rockwell C70	Chrome-Plated Tool Steel	00000000	0000000	00000000	0000000

Victor Oxyacetylene Torch Components

Create a torch or replace parts with our selection of handles, nozzles, cutting attachments, and cutting tips.

Cutting torch handle with regulators includes a single-stage oxygen (CGA540) regulator that operates at 5 to 125 psi and an acetylene (CGA510) regulator that operates at 2 to 15 psi.

Torch Handles

For Manufacturer Series	Manufacturer Model Number	For Heating Nozzle Model Number	For Welding Nozzle Series	For Cutting Attachment Model Number	Hose Connection Type	Gender	Thread Type	Thread Size	Gas Fitting Size	Includes		Each
400	WH411C	MFA	W	CA411-3, CA411-1	Threaded	Male	UNEF	9/16"-18	B	Two Check Valves	00000000	0000000
Professional	WH315FC+	MFA	W	CA2460+, CA2461+	Threaded	Male	UNF	9/16"-18	B	Two Check Valves Two Flashback Arresters	0000000	000000
Professional	100FC	MFA-1	W-1	CA1350	Threaded	Male	UNEF	9/16"-18	B	Two Check Valves Two Flashback Arresters	0000000	000000

Cutting Torch Handles

				For Material Thick.					Hose Connection
For Manufacturer Series	For Cutting Tip Series	Includes	Manufacturer Model Number	Min.	Max.	Cutting Capacity	Head Angle	Lg.	Thread Size	Gender	Thread Type	Gas Fitting Size		Each
400, Professional	1-101	Single-Stage Oxygen Regulator (CGA540) Single-Stage Acetylene Regulator (CGA510) Two Check Valves Two Flashback Arresters	ST900FC	1/8"	5"	5"	90°	21"	9/16"-18	Male	UNS	B	00000000	0000000
400, Professional	1-101	Two Check Valves Two Flashback Arresters	ST900FC	1/8"	5"	5"	90°	21"	9/16"-18	Male	UNS	B	000000000	000000

Harris Oxyacetylene Torch Components

Create a torch or replace parts with our selection of handles, mixers, welding tips, cutting attachments, and cutting tips.

Torch handle 43-2 requires a mixer.

Torch Handles

Manufacturer Model Number	For Welding Tip Series	For Cutting Attachment Model Number	For Cutting Tip Series	Connection Type	Hose Connection Type	Gender	Thread Type	Thread Size	Gas Fitting Size	Includes		Each
85	23A90	72-3	6290	Hose	Threaded	Male	UNF	9/16"-18	B	Check Valve, Mixer	0000000	0000000
43-2	23A90	73-3	6290	Hose	Threaded	Male	UNF	9/16"-18	B	Check Valve	0000000	000000