Thread Gages & Thread Measurement
Insize Thread Gages & Thread Measurement
Authorized Insize distributor | Ships direct from Insize | Quote reply same dayInsize thread gages for accepting or rejecting threaded parts: GO and NO GO ring gages for external threads and plug gages for internal threads in metric, American (UN), NPT, BSPT and G-series pipe threads, plus 3-wires, screw thread micrometer tips and thread measuring instruments.
Choosing between options
| If you need to… | Choose | Example |
|---|---|---|
| Check an external thread | GO ring plus the matching NO GO ring | 4120-36 |
| Check an internal thread | Thread plug gage | 4130-36 |
| Measure pitch diameter with a micrometer | 3-wires sized to the pitch | 7382-24 |
Before you order
- GO and NO GO rings are separate part numbers (NO GO ends in N); order both to check a thread fully.
- For 60° threads the best wire diameter is 0.57735 × pitch; pick the 3-wire size for your pitch.
- Ships direct from Insize. Most items are in stock; we confirm your ship date by email after you order.
← All Precision Measuring categories
Need help choosing or a volume price?
Send thread size, pitch, class and GO / NO GO and the quantity — we reply the same day. (210) 494-1997 · sales@ldewitt.net
Request a QuoteSend thread size, pitch, class and GO / NO GO and the quantity — we reply the same day. (210) 494-1997 · sales@ldewitt.net
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Insize 7321-T1S – Screw Thread Point Set, Internal Thread, 6 pairs/set
Insize
$291.00Insize 7321-T1S – Screw Thread Poin7321-T1S- SKU:
- 7321-T1S
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.14 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7321-T1S
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640348525
- Package Weight:
- 0.14 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- internal thread (60° thread angle)
- Feature 2:
- SCREW THREAD POINT, 6 pairs/set
- Feature 3:
- For use with Screw Thread Microsmeter Series # 3281
$291.00 -
Insize 7381-T11 – Measuring Tips for Screw Thread Micrometer, 60°, 64-48TPI/0.4-0.5MM
Insize
$37.20Insize 7381-T11 – Measuring Tips fo7381-T11- SKU:
- 7381-T11
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T11
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306747
- Package Weight:
- 0.03 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Unified and metric thread (60° thread angle)
- Feature 2:
- Pitch: 64-48 TPI
- Feature 3:
- 0.4-0.5mm
$37.20 -
Insize 7381-T12 – Measuring Tips for Screw Thread Micrometer, 60°, 44-28TPI/0.6-0.9MM
Insize
$37.20Insize 7381-T12 – Measuring Tips fo7381-T12- SKU:
- 7381-T12
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T12
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306754
- Package Weight:
- 0.03 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Unified and metric thread (60° thread angle)
- Feature 2:
- Pitch: 44-28 TPI
- Feature 3:
- 0.6-0.9mm
$37.20 -
Insize 7381-T13 – Measuring Tips for Screw Thread Micrometer, 60°, 24-14TPI/1-1.75MM
Insize
$37.20Insize 7381-T13 – Measuring Tips fo7381-T13- SKU:
- 7381-T13
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T13
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306761
- Package Weight:
- 0.03 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Unified and metric thread (60° thread angle)
- Feature 2:
- Pitch: 24-14 TPI
- Feature 3:
- 1-1.75mm
$37.20 -
Insize 7381-T14 – Measuring Tips for Screw Thread Micrometer, 60°, 13-9TPI/2-3MM
Insize
$37.20Insize 7381-T14 – Measuring Tips fo7381-T14- SKU:
- 7381-T14
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T14
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306778
- Package Weight:
- 0.03 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.65 in
- Package Height:
- 0.71 in
- Feature 1:
- Unified and metric thread (60° thread angle)
- Feature 2:
- Pitch: 13-9 TPI
- Feature 3:
- 2-3mm
$37.20 -
Insize 7381-T15 – Measuring Tips for Screw Thread Micrometer, 60°, 8-5TPI/3.5-5MM
Insize
$37.20Insize 7381-T15 – Measuring Tips fo7381-T15- SKU:
- 7381-T15
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T15
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306785
- Package Weight:
- 0.03 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Unified and metric thread (60° thread angle)
- Feature 2:
- Pitch: 8-5 TPI
- Feature 3:
- 3.5-5mm
$37.20 -
Insize 7381-T16 – Measuring Tips for Screw Thread Micrometer, 60°, 4.5-3.5TPI/5.5-7MM
Insize
$37.20Insize 7381-T16 – Measuring Tips fo7381-T16- SKU:
- 7381-T16
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T16
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306792
- Package Weight:
- 0.03 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Unified and metric thread (60° thread angle)
- Feature 2:
- Pitch: 4.5-3.5TPI
- Feature 3:
- 5.5-7mm
$37.20 -
Insize 7381-T21 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 60-48TPI
Insize
$37.20Insize 7381-T21 – Measuring Tips fo7381-T21- SKU:
- 7381-T21
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T21
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306815
- Package Weight:
- 0.03 lb
- Package Length:
- 1.77 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 60-48TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T210 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 4.5-3.5TPI
Insize
$37.20Insize 7381-T210 – Measuring Tips f7381-T210- SKU:
- 7381-T210
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T210
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306907
- Package Weight:
- 0.03 lb
- Package Length:
- 1.77 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 4.5-3.5TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T22 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 48-40TPI
Insize
$37.20Insize 7381-T22 – Measuring Tips fo7381-T22- SKU:
- 7381-T22
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T22
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306822
- Package Weight:
- 0.03 lb
- Package Length:
- 1.77 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 48-40 TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T23 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 40-32TPI
Insize
$37.20Insize 7381-T23 – Measuring Tips fo7381-T23- SKU:
- 7381-T23
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T23
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306839
- Package Weight:
- 0.03 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 40-32 TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T24 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 32-24TPI
Insize
$37.20Insize 7381-T24 – Measuring Tips fo7381-T24- SKU:
- 7381-T24
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.02 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T24
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306846
- Package Weight:
- 0.02 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 32-24TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T25 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 24-18TPI
Insize
$37.20Insize 7381-T25 – Measuring Tips fo7381-T25- SKU:
- 7381-T25
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.02 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T25
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306853
- Package Weight:
- 0.02 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 24-18TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T26 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 18-14TPI
Insize
$37.20Insize 7381-T26 – Measuring Tips fo7381-T26- SKU:
- 7381-T26
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.02 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T26
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306860
- Package Weight:
- 0.02 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 18-14 TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T27 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 14-10TPI
Insize
$37.20Insize 7381-T27 – Measuring Tips fo7381-T27- SKU:
- 7381-T27
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.02 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T27
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306877
- Package Weight:
- 0.02 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 14-10 TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T28 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 10-7TPI
Insize
$37.20Insize 7381-T28 – Measuring Tips fo7381-T28- SKU:
- 7381-T28
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T28
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306884
- Package Weight:
- 0.03 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 10-7 TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T29 – Measuring Tips for Screw Thread Micrometer, Whitworth 55°, 7-4.5TPI
Insize
$37.20Insize 7381-T29 – Measuring Tips fo7381-T29- SKU:
- 7381-T29
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T29
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306891
- Package Weight:
- 0.03 lb
- Package Length:
- 1.77 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- Pitch: 7-4.5 TPI
- Feature 3:
- 55° thread angle
$37.20 -
Insize 7381-T2S – Measuring Tip Set for Screw Thread Micrometer, Whitworth 55°, 10 pairs/set
Insize
$365.00Insize 7381-T2S – Measuring Tip Set7381-T2S- SKU:
- 7381-T2S
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.15 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-T2S
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306914
- Package Weight:
- 0.15 lb
- Package Length:
- 2.17 in
- Package Width:
- 2.17 in
- Package Height:
- 0.79 in
- Feature 1:
- Whitworth thread (55° thread angle).
- Feature 2:
- 10 pairs/set
- Feature 3:
- 55° thread angle
$365.00 -
Insize 7381-TS – Measuring Tip Set for Screw Thread Micrometer, 60°, 6 pairs/set
Insize
$236.00Insize 7381-TS – Measuring Tip Set7381-TS- SKU:
- 7381-TS
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.10 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7381-TS
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306808
- Package Weight:
- 0.1 lb
- Package Length:
- 2.17 in
- Package Width:
- 2.05 in
- Package Height:
- 0.98 in
- Feature 1:
- Unified and metric thread (60° thread angle)
- Feature 2:
- Supplied in pair.
- Feature 3:
- Suitable for 3281, 3581 series micrometers.
$236.00 -
Insize 7382-11 – 3-Wires, .0067IN/0.170MM
Insize
$418.00Insize 7382-11 – 3-Wires, .0067IN/07382-11- SKU:
- 7382-11
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.03 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 7382-11
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640361708
- Package Weight:
- 0.03 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Used with standard outside micrometers with spindle .25'DIA to measure pitch diameter of screw threads.
- Feature 2:
- Diameter accuracy: ±20μin. Cylindricity: 39μin.
- Feature 3:
- Hardness: HRC60.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$418.00
