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 4121-7D2 – American Standard Thread Ring Gage, Go, 7/16-20UNF
Insize
$106.00Insize 4121-7D2 – American Standard4121-7D2- SKU:
- 4121-7D2
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.25 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4121-7D2
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640359279
- Package Weight:
- 0.25 lb
- Package Length:
- 2.24 in
- Package Width:
- 2.09 in
- Package Height:
- 0.91 in
- Feature 1:
- Class 2A.
- Feature 2:
- GO Side
- Feature 3:
- Standard ANSI/ASME B1.2
- Feature 4:
- Supplied with manufacturer inspection certificate.
$106.00 -
Insize 4121-7D2N – American Standard Thread Ring Gage, No Go, 7/16-20UNF
Insize
$76.40Insize 4121-7D2N – American Standar4121-7D2N- SKU:
- 4121-7D2N
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.26 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4121-7D2N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640359361
- Package Weight:
- 0.26 lb
- Package Length:
- 2.24 in
- Package Width:
- 2.09 in
- Package Height:
- 0.87 in
- Feature 1:
- Class 2A.
- Feature 2:
- NOGO Side
- Feature 3:
- Standard ANSI/ASME B1.2
- Feature 4:
- Supplied with manufacturer inspection certificate.
$76.40 -
Insize 4121-81 – American Standard Thread Ring Gage, Go, 8-32UNC
Insize
$112.00Insize 4121-81 – American Standard4121-81- SKU:
- 4121-81
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.07 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4121-81
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640359101
- Package Weight:
- 0.07 lb
- Package Length:
- 2.24 in
- Package Width:
- 2.13 in
- Package Height:
- 0.87 in
- Feature 1:
- Class 2A.
- Feature 2:
- GO Side
- Feature 3:
- Standard ANSI/ASME B1.2
- Feature 4:
- Supplied with manufacturer inspection certificate.
$112.00 -
Insize 4121-81N – American Standard Thread Ring Gage, No Go, 8-32UNC
Insize
$81.20Insize 4121-81N – American Standard4121-81N- SKU:
- 4121-81N
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.06 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4121-81N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640359194
- Package Weight:
- 0.06 lb
- Package Length:
- 2.2 in
- Package Width:
- 2.09 in
- Package Height:
- 0.91 in
- Feature 1:
- Class 2A.
- Feature 2:
- NOGO Side
- Feature 3:
- Standard ANSI/ASME B1.2
- Feature 4:
- Supplied with manufacturer inspection certificate.
$81.20 -
Insize 4121-9D2 – American Standard Thread Ring Gage, Go, 9/16-18UNF
Insize
$114.00Insize 4121-9D2 – American Standard4121-9D2- SKU:
- 4121-9D2
- 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:
- 4121-9D2
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640359309
- Package Weight:
- 0.17 lb
- Package Length:
- 2.24 in
- Package Width:
- 2.09 in
- Package Height:
- 0.87 in
- Feature 1:
- Class 2A.
- Feature 2:
- GO Side
- Feature 3:
- Standard ANSI/ASME B1.2
- Feature 4:
- Supplied with manufacturer inspection certificate.
$114.00 -
Insize 4121-9D2N – American Standard Thread Ring Gage, No Go, 9/16-18UNF
Insize
$83.50Insize 4121-9D2N – American Standar4121-9D2N- SKU:
- 4121-9D2N
- 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:
- 4121-9D2N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640359392
- Package Weight:
- 0.17 lb
- Package Length:
- 2.2 in
- Package Width:
- 2.09 in
- Package Height:
- 0.91 in
- Feature 1:
- Class 2A.
- Feature 2:
- NOGO Side
- Feature 3:
- Standard ANSI/ASME B1.2
- Feature 4:
- Supplied with manufacturer inspection certificate.
$83.50 -
Insize 4129-14Q – Fine Thread Ring Gage, Go, 6g, ISO 1502, M14x1.25
Insize
$72.80Insize 4129-14Q – Fine Thread Ring4129-14Q- SKU:
- 4129-14Q
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.24 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4129-14Q
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640342301
- Package Weight:
- 0.24 lb
- Package Length:
- 2.17 in
- Package Width:
- 2.05 in
- Package Height:
- 0.79 in
- Feature 1:
- Standard ISO1502.
- Feature 2:
- Supplied with manufacturer inspection certificate.
$72.80 -
Insize 4129-14QN – Fine Thread Ring Gage, No Go, 6g, ISO 1502, M14x1.25
Insize
$59.40Insize 4129-14QN – Fine Thread Ring4129-14QN- SKU:
- 4129-14QN
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.13 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4129-14QN
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640343391
- Package Weight:
- 0.13 lb
- Package Length:
- 2.09 in
- Package Width:
- 2.17 in
- Package Height:
- 0.87 in
- Feature 1:
- Standard ISO1502.
- Feature 2:
- Supplied with manufacturer inspection certificate.
$59.40 -
Insize 4130-10 – Metric Thread Plug Gage, Go and No Go, M10x1.5
Insize
$61.50Insize 4130-10 – Metric Thread Plug4130-10- SKU:
- 4130-10
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.07 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4130-10
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340048
- Package Weight:
- 0.07 lb
- Package Length:
- 0.98 in
- Package Width:
- 0.98 in
- Package Height:
- 3.82 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$61.50 -
Insize 4130-11 – Metric Thread Plug Gage, Go and No Go, M11x1.5
Insize
$61.80Insize 4130-11 – Metric Thread Plug4130-11- SKU:
- 4130-11
- 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:
- 4130-11
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340055
- Package Weight:
- 0.11 lb
- Package Length:
- 4.13 in
- Package Width:
- 0.87 in
- Package Height:
- 0.87 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$61.80 -
Insize 4130-12 – Metric Thread Plug Gage, Go and No Go, M12x1.75
Insize
$70.40Insize 4130-12 – Metric Thread Plug4130-12- SKU:
- 4130-12
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.23 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4130-12
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340062
- Package Weight:
- 0.23 lb
- Package Length:
- 5.12 in
- Package Width:
- 0.79 in
- Package Height:
- 0.79 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$70.40 -
Insize 4130-14 – Metric Thread Plug Gage, Go and No Go, M14x2
Insize
$73.60Insize 4130-14 – Metric Thread Plug4130-14- SKU:
- 4130-14
- 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:
- 4130-14
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340079
- Package Weight:
- 0.15 lb
- Package Length:
- 4.72 in
- Package Width:
- 0.79 in
- Package Height:
- 0.79 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$73.60 -
Insize 4130-16 – Metric Thread Plug Gage, Go and No Go, M16x2
Insize
$74.10Insize 4130-16 – Metric Thread Plug4130-16- SKU:
- 4130-16
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.21 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4130-16
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340086
- Package Weight:
- 0.21 lb
- Package Length:
- 0.87 in
- Package Width:
- 0.87 in
- Package Height:
- 4.76 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$74.10 -
Insize 4130-18 – Metric Thread Plug Gage, Go and No Go, M18x2.5
Insize
$80.30Insize 4130-18 – Metric Thread Plug4130-18- SKU:
- 4130-18
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.25 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4130-18
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340093
- Package Weight:
- 0.25 lb
- Package Length:
- 4.92 in
- Package Width:
- 0.87 in
- Package Height:
- 0.87 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$80.30 -
Insize 4130-2 – Metric Thread Plug Gage, Go and No Go, M2x0.4
Insize
$71.70Insize 4130-2 – Metric Thread Plug4130-2- SKU:
- 4130-2
- 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:
- 4130-2
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640339936
- Package Weight:
- 0.03 lb
- Package Length:
- 3.35 in
- Package Width:
- 0.87 in
- Package Height:
- 0.87 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$71.70 -
Insize 4130-20 – Metric Thread Plug Gage, Go and No Go, M20x2.5
Insize
$80.40Insize 4130-20 – Metric Thread Plug4130-20- SKU:
- 4130-20
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.45 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4130-20
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340109
- Package Weight:
- 0.45 lb
- Package Length:
- 6.1 in
- Package Width:
- 1.46 in
- Package Height:
- 1.46 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$80.40 -
Insize 4130-22 – Metric Thread Plug Gage, Go and No Go, M22x2.5
Insize
$82.30Insize 4130-22 – Metric Thread Plug4130-22- SKU:
- 4130-22
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.48 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4130-22
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340116
- Package Weight:
- 0.48 lb
- Package Length:
- 5.91 in
- Package Width:
- 1.57 in
- Package Height:
- 1.57 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$82.30 -
Insize 4130-24 – Metric Thread Plug Gage, Go and No Go, M24x3
Insize
$95.40Insize 4130-24 – Metric Thread Plug4130-24- SKU:
- 4130-24
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.55 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4130-24
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340123
- Package Weight:
- 0.55 lb
- Package Length:
- 5.91 in
- Package Width:
- 1.57 in
- Package Height:
- 1.57 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$95.40 -
Insize 4130-27 – Metric Thread Plug Gage, Go and No Go, M27x3
Insize
$95.40Insize 4130-27 – Metric Thread Plug4130-27- SKU:
- 4130-27
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.65 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4130-27
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640340130
- Package Weight:
- 0.65 lb
- Package Length:
- 6.1 in
- Package Width:
- 1.57 in
- Package Height:
- 1.57 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$95.40 -
Insize 4130-2D2 – Metric Thread Plug Gage, Go and No Go, M2.2x0.45
Insize
$76.90Insize 4130-2D2 – Metric Thread Plu4130-2D2- SKU:
- 4130-2D2
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.04 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4130-2D2
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640339943
- Package Weight:
- 0.04 lb
- Package Length:
- 3.43 in
- Package Width:
- 0.87 in
- Package Height:
- 0.87 in
- Feature 1:
- Supplied with Go and No-Go gages together.
- Feature 2:
- Class 6H.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$76.90
