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 4120-20N – Metric Thread Ring Gage, No Go, M20x2.5
Insize
$76.70Insize 4120-20N – Metric Thread Rin4120-20N- SKU:
- 4120-20N
- 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:
- 4120-20N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341823
- Package Weight:
- 0.28 lb
- Package Length:
- 2.17 in
- Package Width:
- 2.05 in
- Package Height:
- 0.83 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$76.70 -
Insize 4120-22 – Metric Thread Ring Gage, Go, M22x2.5
Insize
$93.20Insize 4120-22 – Metric Thread Ring4120-22- SKU:
- 4120-22
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.81 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-22
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341526
- Package Weight:
- 0.81 lb
- Package Length:
- 3.07 in
- Package Width:
- 3.07 in
- Package Height:
- 1.18 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$93.20 -
Insize 4120-22N – Metric Thread Ring Gage, No Go, M22x2.5
Insize
$76.90Insize 4120-22N – Metric Thread Rin4120-22N- SKU:
- 4120-22N
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.57 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-22N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341830
- Package Weight:
- 0.57 lb
- Package Length:
- 3.07 in
- Package Width:
- 2.87 in
- Package Height:
- 1.1 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$76.90 -
Insize 4120-24 – Metric Thread Ring Gage, Go, M24x3
Insize
$120.00Insize 4120-24 – Metric Thread Ring4120-24- SKU:
- 4120-24
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.78 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-24
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341533
- Package Weight:
- 0.78 lb
- Package Length:
- 3.07 in
- Package Width:
- 2.95 in
- Package Height:
- 1.18 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$120.00 -
Insize 4120-24N – Metric Thread Ring Gage, No Go, M24x3
Insize
$83.30Insize 4120-24N – Metric Thread Rin4120-24N- SKU:
- 4120-24N
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.49 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-24N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341847
- Package Weight:
- 0.49 lb
- Package Length:
- 2.95 in
- Package Width:
- 2.95 in
- Package Height:
- 1.18 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$83.30 -
Insize 4120-27 – Metric Thread Ring Gage, Go, M27x3
Insize
$118.00Insize 4120-27 – Metric Thread Ring4120-27- SKU:
- 4120-27
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.11 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-27
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341540
- Package Weight:
- 1.11 lb
- Package Length:
- 2.95 in
- Package Width:
- 2.95 in
- Package Height:
- 1.1 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$118.00 -
Insize 4120-27N – Metric Thread Ring Gage, No Go, M27x3
Insize
$83.30Insize 4120-27N – Metric Thread Rin4120-27N- SKU:
- 4120-27N
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.87 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-27N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341854
- Package Weight:
- 0.87 lb
- Package Length:
- 3.07 in
- Package Width:
- 3.07 in
- Package Height:
- 1.1 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$83.30 -
Insize 4120-2D2 – Metric Thread Ring Gage, Go, M2.2x0.45
Insize
$88.10Insize 4120-2D2 – Metric Thread Rin4120-2D2- SKU:
- 4120-2D2
- 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:
- 4120-2D2
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341359
- Package Weight:
- 0.04 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.65 in
- Package Height:
- 0.59 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$88.10 -
Insize 4120-2D2N – Metric Thread Ring Gage, No Go, M2.2x0.45
Insize
$79.70Insize 4120-2D2N – Metric Thread Ri4120-2D2N- SKU:
- 4120-2D2N
- 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:
- 4120-2D2N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341663
- Package Weight:
- 0.03 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$79.70 -
Insize 4120-2D5 – Metric Thread Ring Gage, Go, M2.5x0.45
Insize
$82.80Insize 4120-2D5 – Metric Thread Rin4120-2D5- SKU:
- 4120-2D5
- 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:
- 4120-2D5
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341366
- Package Weight:
- 0.04 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$82.80 -
Insize 4120-2D5N – Metric Thread Ring Gage, No Go, M2.5x0.45
Insize
$82.80Insize 4120-2D5N – Metric Thread Ri4120-2D5N- SKU:
- 4120-2D5N
- 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:
- 4120-2D5N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341670
- Package Weight:
- 0.04 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$82.80 -
Insize 4120-2N – Metric Thread Ring Gage, No Go, M2x0.4
Insize
$94.60Insize 4120-2N – Metric Thread Ring4120-2N- SKU:
- 4120-2N
- 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:
- 4120-2N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341656
- Package Weight:
- 0.03 lb
- Package Length:
- 1.65 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$94.60 -
Insize 4120-3 – Metric Thread Ring Gage, Go, M3x0.5
Insize
$79.70Insize 4120-3 – Metric Thread Ring4120-3- SKU:
- 4120-3
- 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:
- 4120-3
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341373
- Package Weight:
- 0.04 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.57 in
- Package Height:
- 0.59 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$79.70 -
Insize 4120-30 – Metric Thread Ring Gage, Go, M30x3.5
Insize
$163.00Insize 4120-30 – Metric Thread Ring4120-30- SKU:
- 4120-30
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.27 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-30
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341557
- Package Weight:
- 1.27 lb
- Package Length:
- 3.74 in
- Package Width:
- 3.74 in
- Package Height:
- 1.77 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$163.00 -
Insize 4120-30N – Metric Thread Ring Gage, No Go, M30x3.5
Insize
$102.00Insize 4120-30N – Metric Thread Rin4120-30N- SKU:
- 4120-30N
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.10 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-30N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341861
- Package Weight:
- 1.1 lb
- Package Length:
- 3.74 in
- Package Width:
- 3.74 in
- Package Height:
- 1.77 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$102.00 -
Insize 4120-33 – Metric Thread Ring Gage, Go, M33x3.5
Insize
$178.00Insize 4120-33 – Metric Thread Ring4120-33- SKU:
- 4120-33
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.63 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-33
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341564
- Package Weight:
- 1.63 lb
- Package Length:
- 4.02 in
- Package Width:
- 3.78 in
- Package Height:
- 1.65 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$178.00 -
Insize 4120-33N – Metric Thread Ring Gage, No Go, M33x3.5
Insize
$115.00Insize 4120-33N – Metric Thread Rin4120-33N- SKU:
- 4120-33N
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.06 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-33N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341878
- Package Weight:
- 1.06 lb
- Package Length:
- 3.94 in
- Package Width:
- 3.78 in
- Package Height:
- 1.69 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$115.00 -
Insize 4120-36 – Metric Thread Ring Gage, Go, M36x4
Insize
$203.00Insize 4120-36 – Metric Thread Ring4120-36- SKU:
- 4120-36
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.73 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-36
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341571
- Package Weight:
- 1.73 lb
- Package Length:
- 3.94 in
- Package Width:
- 3.78 in
- Package Height:
- 1.69 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$203.00 -
Insize 4120-36N – Metric Thread Ring Gage, No Go, M36x4
Insize
$161.00Insize 4120-36N – Metric Thread Rin4120-36N- SKU:
- 4120-36N
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.34 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-36N
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341885
- Package Weight:
- 1.34 lb
- Package Length:
- 4.02 in
- Package Width:
- 3.78 in
- Package Height:
- 1.73 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$161.00 -
Insize 4120-39 – Metric Thread Ring Gage, Go, M39x4
Insize
$202.00Insize 4120-39 – Metric Thread Ring4120-39- SKU:
- 4120-39
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.68 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 4120-39
- Product Family:
- Gages and Reference Tools
- Supplier Category Code:
- A
- EAN:
- 6928640341588
- Package Weight:
- 1.68 lb
- Package Length:
- 4.02 in
- Package Width:
- 3.78 in
- Package Height:
- 1.69 in
- Feature 1:
- Go and No-Go gages are supplied separately.
- Feature 2:
- Class 6g.
- Feature 3:
- Standard ISO1502.
- Feature 4:
- Supplied with manufacturer inspection certificate.
$202.00
