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 3281-25A – Screw Thread Micrometer, 0-25MM, Graduation 0.01MM
Insize
$207.45Insize 3281-25A – Screw Thread Micr3281-25A- SKU:
- 3281-25A
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.13 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-25A
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306921
- Package Weight:
- 1.13 lb
- Package Length:
- 7.7 in
- Package Width:
- 4.6 in
- Package Height:
- 1.7 in
- Feature 1:
- Measure pitch diameter of screw threads.
- Feature 2:
- Non-rotating spindle. Ratchet stop.
- Feature 3:
- Supplied with 60° setting standards (except 0-25mm).
- Feature 4:
- Optional accessary: 55° setting standards
$207.45 -
Insize 3281-3 – Screw Thread Micrometer, 2-3IN
Insize
$263.27Insize 3281-3 – Screw Thread Microm3281-3- SKU:
- 3281-3
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.86 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-3
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640328220
- Package Weight:
- 1.86 lb
- Package Length:
- 10.04 in
- Package Width:
- 5.83 in
- Package Height:
- 1.69 in
- Feature 1:
- Graduation .001'.
- Feature 2:
- Measures pitch diameter of screw threads.
- Feature 3:
- Non-rotating spindle. Ratchet stop.
- Feature 4:
- Supplied with 60° setting standards (except 0-1').
- Feature 5:
- Optional accessory: 55°setting standards, measuring tips (pat no. 7381).
$263.27 -
Insize 3281-4 – Screw Thread Micrometer, 3-4IN
Insize
$285.00Insize 3281-4 – Screw Thread Microm3281-4- SKU:
- 3281-4
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 2.53 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-4
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640328237
- Package Weight:
- 2.53 lb
- Package Length:
- 12.09 in
- Package Width:
- 6.97 in
- Package Height:
- 1.73 in
- Feature 1:
- Graduation .001'.
- Feature 2:
- Measures pitch diameter of screw threads.
- Feature 3:
- Non-rotating spindle. Ratchet stop.
- Feature 4:
- Supplied with 60° setting standards (except 0-1').
- Feature 5:
- Optional accessory: 55°setting standards, measuring tips (pat no. 7381).
$285.00 -
Insize 3281-5 – Screw Thread Micrometer, 4-5IN
Insize
$326.51Insize 3281-5 – Screw Thread Microm3281-5- SKU:
- 3281-5
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 3.01 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-5
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640328244
- Package Weight:
- 3.01 lb
- Package Length:
- 12.09 in
- Package Width:
- 6.97 in
- Package Height:
- 1.73 in
- Feature 1:
- Graduation .001'.
- Feature 2:
- Measures pitch diameter of screw threads.
- Feature 3:
- Non-rotating spindle. Ratchet stop.
- Feature 4:
- Supplied with 60° setting standards (except 0-1').
- Feature 5:
- Optional accessory: 55°setting standards, measuring tips (pat no. 7381).
$326.51 -
Insize 3281-6 – Screw Thread Micrometer, 5-6IN
Insize
$365.22Insize 3281-6 – Screw Thread Microm3281-6- SKU:
- 3281-6
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 3.43 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-6
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640328251
- Package Weight:
- 3.43 lb
- Package Length:
- 9.72 in
- Package Width:
- 3.98 in
- Package Height:
- 0.91 in
- Feature 1:
- Graduation .001'.
- Feature 2:
- Measures pitch diameter of screw threads.
- Feature 3:
- Non-rotating spindle. Ratchet stop.
- Feature 4:
- Supplied with 60° setting standards (except 0-1').
- Feature 5:
- Optional accessory: 55°setting standards, measuring tips (pat no. 7381).
$365.22 -
Insize 3281-7 – Screw Thread Micrometer, 6-7IN
Insize
$496.00Insize 3281-7 – Screw Thread Microm3281-7- SKU:
- 3281-7
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 4.30 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-7
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640356193
- Package Weight:
- 4.3 lb
- Package Length:
- 16.54 in
- Package Width:
- 9.84 in
- Package Height:
- 1.57 in
- Feature 1:
- Graduation .001'.
- Feature 2:
- Measures pitch diameter of screw threads.
- Feature 3:
- Non-rotating spindle. Ratchet stop.
- Feature 4:
- Supplied with 60° setting standards (except 0-1').
- Feature 5:
- Optional accessory: 55°setting standards, measuring tips (pat no. 7381).
$496.00 -
Insize 3281-75A – Screw Thread Micrometer, 50-75MM, Graduation 0.01MM
Insize
$273.49Insize 3281-75A – Screw Thread Micr3281-75A- SKU:
- 3281-75A
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.86 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-75A
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640306945
- Package Weight:
- 1.86 lb
- Package Length:
- 10.04 in
- Package Width:
- 5.83 in
- Package Height:
- 1.69 in
- Feature 1:
- Measure pitch diameter of screw threads.
- Feature 2:
- Non-rotating spindle. Ratchet stop.
- Feature 3:
- Supplied with 60° setting standards (except 0-25mm).
- Feature 4:
- Optional accessary: 55° setting standards
$273.49 -
Insize 3281-8 – Screw Thread Micrometer, 7-8IN
Insize
$539.00Insize 3281-8 – Screw Thread Microm3281-8- SKU:
- 3281-8
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 4.75 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-8
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640356209
- Package Weight:
- 4.75 lb
- Package Length:
- 16.54 in
- Package Width:
- 9.84 in
- Package Height:
- 1.57 in
- Feature 1:
- Graduation .001'.
- Feature 2:
- Measures pitch diameter of screw threads.
- Feature 3:
- Non-rotating spindle. Ratchet stop.
- Feature 4:
- Supplied with 60° setting standards (except 0-1').
- Feature 5:
- Optional accessory: 55°setting standards, measuring tips (pat no. 7381).
$539.00 -
Insize 3281-SPE1 – 55° Screw Thread Micrometer Setting Standard, 1IN
Insize
$115.00Insize 3281-SPE1 – 55° Screw Thread3281-SPE1- SKU:
- 3281-SPE1
- 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:
- 3281-SPE1
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328268
- Package Weight:
- 0.03 lb
- Package Length:
- 2.36 in
- Package Width:
- 0.79 in
- Package Height:
- 0.79 in
$115.00 -
Insize 3281-SPE2 – 55° Screw Thread Micrometer Setting Standard, 2IN
Insize
$133.00Insize 3281-SPE2 – 55° Screw Thread3281-SPE2- SKU:
- 3281-SPE2
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.05 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-SPE2
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328275
- Package Weight:
- 0.05 lb
- Package Length:
- 2.95 in
- Package Width:
- 0.79 in
- Package Height:
- 0.79 in
$133.00 -
Insize 3281-SPE3 – 55° Screw Thread Micrometer Setting Standard, 3IN
Insize
$149.00Insize 3281-SPE3 – 55° Screw Thread3281-SPE3- SKU:
- 3281-SPE3
- 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:
- 3281-SPE3
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328282
- Package Weight:
- 0.1 lb
- Package Length:
- 5.31 in
- Package Width:
- 0.79 in
- Package Height:
- 0.79 in
$149.00 -
Insize 3281-SPE4 – 55° Screw Thread Micrometer Setting Standard, 4IN
Insize
$174.00Insize 3281-SPE4 – 55° Screw Thread3281-SPE4- SKU:
- 3281-SPE4
- 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:
- 3281-SPE4
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328299
- Package Weight:
- 0.12 lb
- Package Length:
- 4.72 in
- Package Width:
- 0.98 in
- Package Height:
- 0.98 in
$174.00 -
Insize 3281-SPE5 – 55° Screw Thread Micrometer Setting Standard, 5IN
Insize
$200.00Insize 3281-SPE5 – 55° Screw Thread3281-SPE5- SKU:
- 3281-SPE5
- 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:
- 3281-SPE5
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328305
- Package Weight:
- 0.15 lb
- Package Length:
- 5.24 in
- Package Width:
- 0.91 in
- Package Height:
- 0.91 in
$200.00 -
Insize 3281-SPE6 – 55° Screw Thread Micrometer Setting Standard, 6IN
Insize
$228.00Insize 3281-SPE6 – 55° Screw Thread3281-SPE6- SKU:
- 3281-SPE6
- 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:
- 3281-SPE6
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328312
- Package Weight:
- 0.17 lb
- Package Length:
- 6.3 in
- Package Width:
- 0.91 in
- Package Height:
- 0.51 in
$228.00 -
Insize 3281-SPE61 – 60° Screw Thread Micrometer Setting Standard, 1IN
Insize
$112.16Insize 3281-SPE61 – 60° Screw Threa3281-SPE61- SKU:
- 3281-SPE61
- 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:
- 3281-SPE61
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328336
- Package Weight:
- 0.03 lb
- Package Length:
- 1.57 in
- Package Width:
- 1.69 in
- Package Height:
- 0.59 in
$112.16 -
Insize 3281-SPE62 – 60° Screw Thread Micrometer Setting Standard, 2IN
Insize
$128.45Insize 3281-SPE62 – 60° Screw Threa3281-SPE62- SKU:
- 3281-SPE62
- 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:
- 3281-SPE62
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328343
- Package Weight:
- 0.06 lb
- Package Length:
- 2.17 in
- Package Width:
- 2.17 in
- Package Height:
- 0.91 in
$128.45 -
Insize 3281-SPE63 – 60° Screw Thread Micrometer Setting Standard, 3IN
Insize
$146.52Insize 3281-SPE63 – 60° Screw Threa3281-SPE63- SKU:
- 3281-SPE63
- 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:
- 3281-SPE63
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328350
- Package Weight:
- 0.09 lb
- Package Length:
- 3.43 in
- Package Width:
- 0.79 in
- Package Height:
- 0.79 in
$146.52 -
Insize 3281-SPE64 – 60° Screw Thread Micrometer Setting Standard, 4IN
Insize
$168.26Insize 3281-SPE64 – 60° Screw Threa3281-SPE64- SKU:
- 3281-SPE64
- 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:
- 3281-SPE64
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328367
- Package Weight:
- 0.13 lb
- Package Length:
- 5.31 in
- Package Width:
- 0.91 in
- Package Height:
- 0.91 in
$168.26 -
Insize 3281-SPE65 – 60° Screw Thread Micrometer Setting Standard, 5IN
Insize
$193.54Insize 3281-SPE65 – 60° Screw Threa3281-SPE65- SKU:
- 3281-SPE65
- 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:
- 3281-SPE65
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328374
- Package Weight:
- 0.13 lb
- Package Length:
- 5.31 in
- Package Width:
- 0.91 in
- Package Height:
- 0.91 in
$193.54 -
Insize 3281-SPE66 – 60° Screw Thread Micrometer Setting Standard, 6IN
Insize
$220.73Insize 3281-SPE66 – 60° Screw Threa3281-SPE66- SKU:
- 3281-SPE66
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 0.16 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-SPE66
- Product Family:
- Measuring Tool Sets
- Supplier Category Code:
- A
- EAN:
- 6928640328381
- Package Weight:
- 0.16 lb
- Package Length:
- 6.73 in
- Package Width:
- 0.98 in
- Package Height:
- 0.98 in
$220.73
