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
-
Insize 4646-511 – BSPT Taper Thread Plug Gage, 5-11 BSPT
Insize
$3,786.00Insize 4646-511 – BSPT Taper Thread4646-511- SKU:
- 4646-511
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 12.55 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4646-511
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640375033
- Package Weight:
- 12.55 lb
- Package Length:
- 9.45 in
- Package Width:
- 8.66 in
- Package Height:
- 8.66 in
- Feature 1:
- Standard BS 21-1985
$3,786.00 -
Insize 4646-611 – BSPT Taper Thread Plug Gage, 6-11 BSPT
Insize
$3,807.00Insize 4646-611 – BSPT Taper Thread4646-611- SKU:
- 4646-611
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 15.00 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4646-611
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640375040
- Package Weight:
- 15 lb
- Package Length:
- 9.45 in
- Package Width:
- 8.66 in
- Package Height:
- 8.66 in
- Feature 1:
- Standard BS 21-1985
$3,807.00 -
Insize 4812-12 – Thread Gage, Metric Trapezoidal (Tr 30°), 2-12MM
Insize
$39.80Insize 4812-12 – Thread Gage, Metri4812-12- SKU:
- 4812-12
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.09 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4812-12
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640319327
- Package Weight:
- 0.09 lb
- Package Length:
- 3.27 in
- Package Width:
- 2.36 in
- Package Height:
- 0.2 in
- Feature 1:
- To check and set screw cutting tools.
- Feature 2:
- Angle accuracy: ±10min.
- Feature 3:
- Thread Type Tr 30 Degree
- Feature 4:
- 2-12mm, Pitch: 2,3,4,5,6,7,8,9,10,12,mm
- Feature 5:
- Made of medium carbon steel
$39.80 -
Insize 4812-E – Thread Gage, Acme 29°, 1-10TPI
Insize
$39.50Insize 4812-E – Thread Gage, Acme 24812-E- SKU:
- 4812-E
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.12 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4812-E
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640319334
- Package Weight:
- 0.12 lb
- Package Length:
- 4.33 in
- Package Width:
- 3.86 in
- Package Height:
- 0.12 in
- Feature 1:
- To check and set screw cutting tools.
- Feature 2:
- Angle accuracy: ±10min.pe
- Feature 3:
- Acme 29 Degree
- Feature 4:
- 1 - 10TPI, Pitch: 1, 1-1/3, 1-1/2, 1-3/4,2,2-1/2,3,4,5,6,7,8,9,10 TPI
- Feature 5:
- Made of medium carbon steel
$39.50 -
Insize 4820-122 – Pitch Gage, Metric, 0.4-7.0MM
Insize
$17.30Insize 4820-122 – Pitch Gage, Metri4820-122- SKU:
- 4820-122
- 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:
- 4820-122
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640319204
- Package Weight:
- 0.1 lb
- Package Length:
- 4.69 in
- Package Width:
- 1.18 in
- Package Height:
- 0.67 in
- Feature 1:
- Check the pitch of screw thread.
- Feature 2:
- Accuracy: ±.0028'.
- Feature 3:
- Quantity of leaves: 22
- Feature 4:
- Made of medium carbon steel
$17.30 -
Insize 4820-124 – Pitch Gage, Metric, 0.25-7.0MM
Insize
$17.16Insize 4820-124 – Pitch Gage, Metri4820-124- SKU:
- 4820-124
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.11 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4820-124
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640319211
- Package Weight:
- 0.11 lb
- Package Length:
- 4.69 in
- Package Width:
- 1.18 in
- Package Height:
- 0.67 in
- Feature 1:
- Check the pitch of screw thread.
- Feature 2:
- Accuracy: ±.0028'.
- Feature 3:
- Quantity of leaves: 24
- Feature 4:
- Made of medium carbon steel
$17.16 -
Insize 4820-230 – Pitch Gage, Inch (TPI), 4-42TPI
Insize
$21.12Insize 4820-230 – Pitch Gage, Inch4820-230- SKU:
- 4820-230
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.12 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4820-230
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640319235
- Package Weight:
- 0.12 lb
- Package Length:
- 4.69 in
- Package Width:
- 1.18 in
- Package Height:
- 0.67 in
- Feature 1:
- Check the pitch of screw thread.
- Feature 2:
- Accuracy: ±.0028'.
- Feature 3:
- Quantity of leaves: 30
- Feature 4:
- Made of medium carbon steel
$21.12 -
Insize 4820-328 – Pitch Gage, Inch (TPI), 4-62TPI
Insize
$19.88Insize 4820-328 – Pitch Gage, Inch4820-328- SKU:
- 4820-328
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.11 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4820-328
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640319259
- Package Weight:
- 0.11 lb
- Package Length:
- 4.69 in
- Package Width:
- 1.18 in
- Package Height:
- 0.67 in
- Feature 1:
- Check the pitch of screw thread.
- Feature 2:
- Accuracy: ±.0028'.
- Feature 3:
- Quantity of leaves: 28
- Feature 4:
- Made of medium carbon steel
$19.88 -
Insize 4820-330 – Pitch Gage, Inch (TPI), 4-42TPI
Insize
$20.71Insize 4820-330 – Pitch Gage, Inch4820-330- SKU:
- 4820-330
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.11 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4820-330
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640319242
- Package Weight:
- 0.11 lb
- Package Length:
- 4.69 in
- Package Width:
- 1.18 in
- Package Height:
- 0.67 in
- Feature 1:
- Check the pitch of screw thread.
- Feature 2:
- Accuracy: ±.0028'.
- Feature 3:
- Quantity of leaves: 30
- Feature 4:
- Made of medium carbon steel
$20.71 -
Insize 4824-12 – Pitch Gage, Metric, 2-20MM
Insize
$81.40Insize 4824-12 – Pitch Gage, Metric4824-12- SKU:
- 4824-12
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.40 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4824-12
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640319181
- Package Weight:
- 0.4 lb
- Package Length:
- 4.72 in
- Package Width:
- 1.97 in
- Package Height:
- 1.38 in
- Feature 1:
- Check the pitch of screw thread.
- Feature 2:
- Accuracy: ±.0028'.
- Feature 3:
- Quantity of leaves: 12
- Feature 4:
- Made of medium carbon steel
$81.40 -
Insize 4824-16 – Pitch Gage, Inch (TPI), 1-12TPI
Insize
$90.80Insize 4824-16 – Pitch Gage, Inch (4824-16- SKU:
- 4824-16
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.47 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4824-16
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640319198
- Package Weight:
- 0.47 lb
- Package Length:
- 4.72 in
- Package Width:
- 1.97 in
- Package Height:
- 1.38 in
- Feature 1:
- Check the pitch of screw thread.
- Feature 2:
- Accuracy: ±.0028'.
- Feature 3:
- Quantity of leaves: 16
- Feature 4:
- Made of medium carbon steel
$90.80 -
Insize 4825-351 – Pitch Gage, Inch (TPI), 4-84TPI
Insize
$179.00Insize 4825-351 – Pitch Gage, Inch4825-351- SKU:
- 4825-351
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.22 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4825-351
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- Package Weight:
- 0.22 lb
- Package Length:
- 5.12 in
- Package Width:
- 1.77 in
- Package Height:
- 0.79 in
$179.00 -
Insize 4860-15 – Gear Tooth Pitch Gage, 14.5° Pressure Angle, Range 2-5, Pressure angle14.5°
Insize
$123.00Insize 4860-15 – Gear Tooth Pitch G4860-15- SKU:
- 4860-15
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.28 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4860-15
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640386763
- Package Weight:
- 0.28 lb
- Package Length:
- 4.33 in
- Package Width:
- 3.82 in
- Package Height:
- 0.08 in
- Feature 1:
- Check the diameterical pitch of gear tooth.
- Feature 2:
- Accuracy: ±.002'.
- Feature 3:
- Made of hardened stainless steel
$123.00 -
Insize 4860-180 – Gear Tooth Pitch Gage, 14.5° Pressure Angle, Range 6-80, Pressure Angle 14.5°
Insize
$192.00Insize 4860-180 – Gear Tooth Pitch4860-180- SKU:
- 4860-180
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.19 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4860-180
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640386787
- Package Weight:
- 0.19 lb
- Package Length:
- 3.23 in
- Package Width:
- 2.36 in
- Package Height:
- 0.59 in
- Feature 1:
- Check the diameterical pitch of gear tooth.
- Feature 2:
- Accuracy: ±.002'.
- Feature 3:
- Made of hardened stainless steel
$192.00 -
Insize 4860-25 – Gear Tooth Pitch Gage, 20° Pressure Angle, Range 2-5, Pressure Angle 20°
Insize
$123.00Insize 4860-25 – Gear Tooth Pitch G4860-25- SKU:
- 4860-25
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.28 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4860-25
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640386770
- Package Weight:
- 0.28 lb
- Package Length:
- 4.33 in
- Package Width:
- 3.82 in
- Package Height:
- 0.35 in
- Feature 1:
- Check the diameterical pitch of gear tooth.
- Feature 2:
- Accuracy: ±.002'.
- Feature 3:
- Made of hardened stainless steel
$123.00 -
Insize 4860-280 – Gear Tooth Pitch Gage, 20° Pressure Angle, Range 6-80, Pressure Angle 20°
Insize
$192.00Insize 4860-280 – Gear Tooth Pitch4860-280- SKU:
- 4860-280
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.17 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4860-280
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640386794
- Package Weight:
- 0.17 lb
- Package Length:
- 3.23 in
- Package Width:
- 2.36 in
- Package Height:
- 0.59 in
- Feature 1:
- Check the diameterical pitch of gear tooth.
- Feature 2:
- Accuracy: ±.002'.
- Feature 3:
- Made of hardened stainless steel
$192.00 -
Insize 6250-4 – Standard Block, Taper 1:4, 4 TPI
Insize
$1,320.00Insize 6250-4 – Standard Block, Tap6250-4- SKU:
- 6250-4
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.44 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 6250-4
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384554
- Package Weight:
- 0.44 lb
- Package Length:
- 2.64 in
- Package Width:
- 2.64 in
- Package Height:
- 1.02 in
- Feature 1:
- Number of thread per inch 4
- Feature 2:
- Set zero of internal and external thread height measuring instruments (code 2232, 2233)
$1,320.00 -
Insize 6250-5 – Standard Block, Taper 1:4, 5 TPI
Insize
$1,320.00Insize 6250-5 – Standard Block, Tap6250-5- SKU:
- 6250-5
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.44 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 6250-5
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384561
- Package Weight:
- 0.44 lb
- Package Length:
- 2.64 in
- Package Width:
- 2.64 in
- Package Height:
- 1.02 in
- Feature 1:
- Number of thread per inch 5
- Feature 2:
- Set zero of internal and external thread height measuring instruments (code 2232, 2233)
$1,320.00 -
Insize 6250-51 – Standard Block, Taper 1:16, 5 TPI
Insize
$1,320.00Insize 6250-51 – Standard Block, Ta6250-51- SKU:
- 6250-51
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.44 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 6250-51
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384578
- Package Weight:
- 0.44 lb
- Package Length:
- 2.64 in
- Package Width:
- 2.64 in
- Package Height:
- 1.02 in
- Feature 1:
- Number of thread per inch 5
- Feature 2:
- Set zero of internal and external thread height measuring instruments (code 2232, 2233)
$1,320.00 -
Insize 6250-8 – Standard Block, Taper 1:16, 8, 10 TPI
Insize
$1,320.00Insize 6250-8 – Standard Block, Tap6250-8- SKU:
- 6250-8
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.44 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 6250-8
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384585
- Package Weight:
- 0.44 lb
- Package Length:
- 2.64 in
- Package Width:
- 2.64 in
- Package Height:
- 1.02 in
- Feature 1:
- Number of thread per inch 8, 10
- Feature 2:
- Set zero of internal and external thread height measuring instruments (code 2232, 2233)
$1,320.00