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Welding Process Welding Process |
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System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Cutting Capacity Cutting Capacity |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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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.
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.
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.
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.

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 |

For Material Thick. | Hose Connection | |||||||||||||
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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.

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 |