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Includes 21 metric sizes part number swtc-m21: m3x05, m12x1. 25, m12x1. 75, m14x2. 0, m12x1. 5, m10x1. 25, m4x07, m16x2. 0, m14x1. 5, m8x1. 0, m6x1. 0, m24x2. 0, m7x1. 0, m20x2.

High quality material these nut & bolt thread checkers are made of strong material. Inch gauges are clear zinc plated, metric gauges are black oxide. Black oxide for metric sizeincludes 12 metric sizes part numbers: m4x07, m7x1.
Zinc plated for inch size includes 14 inch size part numbers: 6-32, 5/16-18, 3/8-24, 8-32, 7/16-14, 3/8-16, 5/16-24, 1/2-13, 1/4-20, 1/4-28, 7/16-20, 10-24, 10-32, 1/2-20.




Carbon steel pipe taps are designed to clean and or re-thread damaged or Jam Pipe threads. Npt pipe taps, 3/8"-18 npt, 1/2"-14 npt, sizes 1/4"-18 npt, 3/4"-14 nPT carbon steel Pipe taps in plastic pouch case.
1. Thread Checker
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Nut and Bolt Thread Checker Complete SAE/Inch and Metric Set Packs
#adThread Checker #ad - Thread sizes are permanently stamped on each gauge. 23 of the most common saE and 21 of the most common metric sizes, see description. Each included size has a nut and bolt checker on the same gauge.More information #ad
Brand | Thread Checker #ad |
Manufacturer | Thread Checker #ad |
Part Number | SWTC-M21 |
Model | SWTC-M21 |
More information #ad
2. Thread Checker
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Nut & Bolt Thread Checker Inch & Metric, Original Version SWTC-26
#adThread Checker #ad - The individual gauges rotate Freely On The Wire Cable For Fast Thread Verification. Inch gauges are clear zinc Plated, Metric Gauges Are Black Oxide.More information #ad
Each size has a nut and bolt checker on the same Gauge. Thread sizes are permanently Stamped Onto Each Gauge Inch In Red, Metric In White. 26 male/female gauges - 14 Inch & 12 Metric.Brand | Thread Checker #ad |
Manufacturer | Thread Checker #ad |
Height | 1 inches |
Length | 6 inches |
Weight | 0.31 Pounds |
Width | 4 inches |
Part Number | NA |
Model | SWTC-26 |
More information #ad
3. S&W Manufacturing Co., Inc.
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Nut & Bolt Thread Checker Wall Mounted White
#adS&W Manufacturing Co., Inc. #ad - Pre-drilled for easy mounting top and bottom. Conveniently assembled onto a wire loop, it is especially well suited for distinguishing between similar inch and metric Threads. Each size has a nut and bolt checker on the same gauge.More information #ad
Mounted on heavy-duty, 1/2" Sintra PVC foam board. The thread checker is an accurate and easy-to-use thread verifier for both nuts and bolts. Bolt and nut thread checker, bolt length and screw size checker in both metric and standard sizes. Overall size: 3"W x 37"L.Brand | S&W Manufacturing Co., Inc. #ad |
Manufacturer | S&W Manufacturing Co., Inc. #ad |
Height | 39 Inches |
Length | 0.5 Inches |
Weight | 0.5 Pounds |
Width | 3 Inches |
Part Number | SWTC-WM1 |
Model | SWTC-WM1 |
More information #ad
4. Thread Checker
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Thread Checker Nut and Bolt Checker 23 Inch Sizes and 21 Metric Sizes Bundle with a Lumintrail Keychain Light
#adThread Checker #ad - Bundle includes swtc-s21 inch thread checker, SWTC-M21 Metric Thread Checker, and a Lumintrail Keychain Light. Each thread checker as a nut and bolt checker on the same gauge.Includes 21 metric sizes part number swtc-m21: m3x05, m12x1. 25, m12x1. 75, m14x2. 0, m12x1. 5, m10x1. 25, m4x07, m16x2. 0, m14x1. 5, m8x1. 0, m6x1. 0, m24x2. 0, m7x1. 0, m20x2.
More information #ad
5, m16x1. 5, m5x08, m20x1. 5, m10x1. 5, m8x1. 25, m10x1. 0, m24x3. 0 Thread sizes stamped on each gauge for easy identification. Includes 23 inch sizes part number swtc-s21: 6-32, 1-8, 7/16-14, 7/16-20, 1/4-20, 10-24, 5/8-18, 5/16-24, 6-40, 3/4-16, 3/8-24, 8-32, 3/8-16, 1/4-28, 9/16-12, 9/16-18, 10-32, 1/2-13, 3/4-10, 1/2-20, 5/16-18, 5/8-11, 1-12.Brand | Thread Checker #ad |
Manufacturer | Thread Checker #ad |
Part Number | SWTC-M21+SWTC-S21 |
More information #ad
5. Stalye
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14 Inch & 12 Metric for Quickly Checking Nuts and Bolts Inch or Metric and Verifying The Size, Stalye Nut & Bolt Thread Checker, 26 MaleFemale Gauges
#adStalye #ad - Nut & bolt thread checker these thread gauges includes 26 male/female gauges - 14 inch & 12 metric. Thread sizes are permanently carved on each gauge with distinct mark, which makes the mark easy for you to tell.High quality material these nut & bolt thread checkers are made of strong material. Inch gauges are clear zinc plated, metric gauges are black oxide. Black oxide for metric sizeincludes 12 metric sizes part numbers: m4x07, m7x1.
More information #ad
0, m6x1. 0, m10x1. 25, m12x1. 5, m10x1. 5, m8x1. 0, m5x08, m10x1. 0, m8x1. 25, m12x1. 25, m12x1. 75. Efficiency improvingbig time saver no more bent over the container looking for a nut/bolt to finish your project,especially the nut or bolt that cannot be removed,Each size has a nut and bolt checker on the same gauge, Excellent item for the mechanic Every workshop should have one. Zinc plated for inch size includes 14 inch size part numbers: 6-32, 5/16-18, 3/8-24, 8-32, 7/16-14, 3/8-16, 5/16-24, 1/2-13, 1/4-20, 1/4-28, 7/16-20, 10-24, 10-32, 1/2-20.
Brand | Stalye #ad |
Manufacturer | Stalye #ad |
Part Number | 724725290798 |
More information #ad
6. S&W Manufacturing
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Nut & Bolt Thread Checker Metric
#adS&W Manufacturing #ad - Wire cable with loop for convenient hanging. Metric gauges are black oxide. Thread sizes are permanently stamped on each gauge. Each included size has a nut and bolt checker on the same gauge. Accurate and easy-to-use thread verifier for both nuts and bolts.More information #ad
Brand | S&W Manufacturing #ad |
Manufacturer | S&W #ad |
Height | 1.38 Inches |
Length | 36.38 Inches |
Weight | 0.75 Pounds |
Width | 1.06 Inches |
Part Number | SWTC-M21 |
Model | SWTC-M21 |
More information #ad
7. Boltsize-It
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Blue, Boltsize-It Gauge
#adBoltsize-It #ad - Resists water, alcohol, oil and grease. Quickly and easily size bolts, screws, nuts and twist drills. Made of hard plastic. Features ruler marked with inches and millimeters. Gauge metric hex nuts and washers by holding under metric holes.More information #ad
Brand | Boltsize-It #ad |
Manufacturer | Boltsize-It #ad |
Height | 0.5 Inches |
Length | 6 Inches |
Weight | 0.1 Pounds |
Width | 3 Inches |
Part Number | BOLT SIZE IT BLUE |
Model | BOLT SIZE IT BLUE |
More information #ad
8. Marine Bolt Supply
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Marine Bolt Supply Nut, Length & Thread Pitch Green, Bolt & Screw Gauge Standard & Metric Coarse & Fine Diameter
#adMarine Bolt Supply #ad - This gauge has 'MarineBoltSupply' printed on the back. Top quality nut, lengths & screw gauge; for use With Standard or Metric, Bolt & Fine Diameters, coarse & Thread Pitches. Package dimensions: 8. 75 inch l x 3. 25 inch W x 025 inch H. Package weight of the Product: 2. 36 ounces.More information #ad
Brand | Marine Bolt Supply #ad |
Manufacturer | CMC Industrial Supply #ad |
Height | 0.25 Inches |
Length | 8.75 Inches |
Width | 3.25 Inches |
Part Number | 1-NBG |
More information #ad
9. Drill America
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1/2" and 3/4", POU Series, Drill America, POUCSNPT5 5 Piece NPT Pipe Tap Set 1/8", 3/8", 1/4", Plastic Pouch Case
#adDrill America #ad - Round shank with square end. Straight flute tools allow chips to collect in the Flutes as they cut and are well suited for most applications in shallow cuts.Carbon steel pipe taps are designed to clean and or re-thread damaged or Jam Pipe threads. Npt pipe taps, 3/8"-18 npt, 1/2"-14 npt, sizes 1/4"-18 npt, 3/4"-14 nPT carbon steel Pipe taps in plastic pouch case.
More information #ad
Uncoated tools feature just the base substrate without any additional treatment or coatings and are suitable for a wide range of applications. Right-hand cut tools have a cutting action that engages when they are run in a clockwise direction.Brand | Drill America #ad |
Manufacturer | Drill America #ad |
Part Number | POUCSNPT5 |
Model | POUCSNPT5 |
More information #ad