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 2230-10 – External Thread Taper Measuring Instrument, 0-10IN/0-254MM
Insize
$2,461.00Insize 2230-10 – External Thread Ta2230-10- SKU:
- 2230-10
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 6.61 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2230-10
- Product Family:
- Indicators and Test Indicators
- Supplier Category Code:
- A
- EAN:
- 6928640382949
- Package Weight:
- 6.61 lb
- Package Length:
- 19.69 in
- Package Width:
- 12.6 in
- Package Height:
- 5.12 in
- Feature 1:
- Dial indicator graduation .001'
- Feature 2:
- Dial indicator stroke .5'
- Feature 3:
- Measure the taper of external thread
- Feature 4:
- Optional accessory: ball points
$2,461.00 -
Insize 2230-16 – External Thread Taper Measuring Instrument, 8-16IN/203.2-406.4MM
Insize
$2,629.00Insize 2230-16 – External Thread Ta2230-16- SKU:
- 2230-16
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 8.82 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2230-16
- Product Family:
- Indicators and Test Indicators
- Supplier Category Code:
- A
- EAN:
- 6928640383137
- Package Weight:
- 8.82 lb
- Package Length:
- 29.53 in
- Package Width:
- 13.78 in
- Package Height:
- 5.91 in
- Feature 1:
- Dial indicator graduation .001'
- Feature 2:
- Dial indicator stroke .5'
- Feature 3:
- Measure the taper of external thread
- Feature 4:
- Optional accessory: ball points
$2,629.00 -
Insize 2230-20 – External Thread Taper Measuring Instrument, 8-20IN/203.2-508MM
Insize
$3,036.00Insize 2230-20 – External Thread Ta2230-20- SKU:
- 2230-20
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 8.82 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2230-20
- Product Family:
- Indicators and Test Indicators
- Supplier Category Code:
- A
- EAN:
- 6928640383519
- Package Weight:
- 8.82 lb
- Package Length:
- 29.53 in
- Package Width:
- 13.78 in
- Package Height:
- 5.91 in
- Feature 1:
- Dial indicator graduation .001'
- Feature 2:
- Dial indicator stroke .5'
- Feature 3:
- Measure the taper of external thread
- Feature 4:
- Optional accessory: ball points
$3,036.00 -
Insize 2230-45 – External Thread Taper Measuring Instrument, 1-4-1/2IN/25.4-114.3MM
Insize
$2,461.00Insize 2230-45 – External Thread Ta2230-45- SKU:
- 2230-45
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 6.61 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2230-45
- Product Family:
- Indicators and Test Indicators
- Supplier Category Code:
- A
- EAN:
- 6928640383120
- Package Weight:
- 6.61 lb
- Package Length:
- 19.69 in
- Package Width:
- 12.6 in
- Package Height:
- 5.12 in
- Feature 1:
- Dial indicator graduation .001'
- Feature 2:
- Dial indicator stroke .5'
- Feature 3:
- Measure the taper of external thread
- Feature 4:
- Optional accessory: ball points
$2,461.00 -
Insize 2231-16 – Internal Thread Taper Measuring Instrument, 5-1/2IN-16IN/139.7-406.4MM
Insize
$2,177.00Insize 2231-16 – Internal Thread Ta2231-16- SKU:
- 2231-16
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 6.61 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2231-16
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384516
- Package Weight:
- 6.61 lb
- Package Length:
- 16.14 in
- Package Width:
- 12.2 in
- Package Height:
- 5.12 in
- Feature 1:
- Dial indicator graduation .001'
- Feature 2:
- Dial indicator stroke 1'
- Feature 3:
- Measure the taper of internal thread
- Feature 4:
- Optional accessory: ball points
$2,177.00 -
Insize 2231-6 – Internal Thread Taper Measuring Instrument, 1-6IN/25.4-152.4MM
Insize
$2,584.00Insize 2231-6 – Internal Thread Tap2231-6- SKU:
- 2231-6
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 6.61 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2231-6
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384509
- Package Weight:
- 6.61 lb
- Package Length:
- 16.14 in
- Package Width:
- 12.2 in
- Package Height:
- 5.12 in
- Feature 1:
- Dial indicator graduation .001'
- Feature 2:
- Dial indicator stroke 1'
- Feature 3:
- Measure the taper of internal thread
- Feature 4:
- Optional accessory: ball points
$2,584.00 -
Insize 2232-35 – Thread Height Measuring Instrument, 0-3.5MM
Insize
$1,955.00Insize 2232-35 – Thread Height Meas2232-35- SKU:
- 2232-35
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 2.65 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2232-35
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384547
- Package Weight:
- 2.65 lb
- Package Length:
- 11.81 in
- Package Width:
- 7.87 in
- Package Height:
- 4.72 in
- Feature 1:
- Dial indicator graduation 0.01mm
- Feature 2:
- Accuracy 0.02mm
- Feature 3:
- Measure the height of exernal thread and internal thread with nominal diameter larger than 5 1/2'(139.7mm)
- Feature 4:
- Optional accessory: thread height standard blocks
$1,955.00 -
Insize 2232-35E – Thread Height Measuring Instrument, 0-1/4IN
Insize
$1,913.00Insize 2232-35E – Thread Height Mea2232-35E- SKU:
- 2232-35E
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 2.65 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2232-35E
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384592
- Package Weight:
- 2.65 lb
- Package Length:
- 11.81 in
- Package Width:
- 7.87 in
- Package Height:
- 4.72 in
- Feature 1:
- Dial indicator graduation .0005'
- Feature 2:
- Accuracy .0008'
- Feature 3:
- Measure the height of exernal thread and internal thread with nominal diameter larger than 5 1/2'(139.7mm)
- Feature 4:
- Optional accessory: thread height standard blocks
$1,913.00 -
Insize 2233-35 – Internal Thread Height Measuring Instrument, 0-3.5MM
Insize
$2,519.00Insize 2233-35 – Internal Thread He2233-35- SKU:
- 2233-35
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 3.97 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2233-35
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384523
- Package Weight:
- 3.97 lb
- Package Length:
- 11.81 in
- Package Width:
- 7.87 in
- Package Height:
- 4.72 in
- Feature 1:
- Dial indicator graduation 0.01mm
- Feature 2:
- Accuracy 0.02mm
- Feature 3:
- Measure the height of internal thread thread with nominal diameter less than 5 1/2'(139.7mm)
- Feature 4:
- Optional accessory: thread height standard blocks
$2,519.00 -
Insize 2233-35E – Internal Thread Height Measuring Instrument, 0-1/4IN
Insize
$2,466.00Insize 2233-35E – Internal Thread H2233-35E- SKU:
- 2233-35E
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 3.97 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2233-35E
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384530
- Package Weight:
- 3.97 lb
- Package Length:
- 11.81 in
- Package Width:
- 7.87 in
- Package Height:
- 4.72 in
- Feature 1:
- Dial indicator graduation .0005'
- Feature 2:
- Accuracy .0008'
- Feature 3:
- Measure the height of internal thread thread with nominal diameter less than 5 1/2'(139.7mm)
- Feature 4:
- Optional accessory: thread height standard blocks
$2,466.00 -
Insize 2234-4 – Thread Pitch Measuring Instrument, 12.7-101.6MM/.5-4IN
Insize
$2,507.00Insize 2234-4 – Thread Pitch Measur2234-4- SKU:
- 2234-4
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 2.65 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2234-4
- Product Family:
- Indicators and Test Indicators
- Supplier Category Code:
- A
- EAN:
- 6928640384608
- Package Weight:
- 2.65 lb
- Package Length:
- 11.81 in
- Package Width:
- 9.84 in
- Package Height:
- 5.91 in
- Feature 1:
- Dial indicator graduation 0.01mm
- Feature 2:
- Accuracy 0.02mm
- Feature 3:
- Measure the pitch of external thread and inter thread with nominal diameter larger than 5 1/2'(139.7mm)
- Feature 4:
- Optional accessory: ball points, standard pitch blocks
$2,507.00 -
Insize 2234-4E – Thread Pitch Measuring Instrument, 0.5-4IN/12.7-101.6MM
Insize
$2,457.00Insize 2234-4E – Thread Pitch Measu2234-4E- SKU:
- 2234-4E
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 2.65 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2234-4E
- Product Family:
- Indicators and Test Indicators
- Supplier Category Code:
- A
- EAN:
- 6928640384622
- Package Weight:
- 2.65 lb
- Package Length:
- 11.81 in
- Package Width:
- 9.84 in
- Package Height:
- 5.91 in
- Feature 1:
- Dial indicator graduation .0005'
- Feature 2:
- Accuracy .0008'
- Feature 3:
- Measure the pitch of external thread and inter thread with nominal diameter larger than 5 1/2'(139.7mm)
- Feature 4:
- Optional accessory: ball points, standard pitch blocks
$2,457.00 -
Insize 2235-4 – Internal Thread Pitch Measuring Instrument, 12.7-101.6MM/.5-4IN
Insize
$2,507.00Insize 2235-4 – Internal Thread Pit2235-4- SKU:
- 2235-4
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 2.65 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2235-4
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384615
- Package Weight:
- 2.65 lb
- Package Length:
- 11.81 in
- Package Width:
- 9.84 in
- Package Height:
- 5.91 in
- Feature 1:
- Dial indicator graduation 0.01mm
- Feature 2:
- Accuracy 0.02mm
- Feature 3:
- Measure the pitch of internal thread with nominal diameter larger than 1 1/2'(38.1mm) and less than 5 1/2'(139.7mm)
- Feature 4:
- Optional accessory: ball points, standard pitch blocks
$2,507.00 -
Insize 2235-4E – Internal Thread Pitch Measuring Instrument, 0.5-4IN/12.7-101.6MM
Insize
$2,457.00Insize 2235-4E – Internal Thread Pi2235-4E- SKU:
- 2235-4E
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 2.65 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2235-4E
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384639
- Package Weight:
- 2.65 lb
- Package Length:
- 11.81 in
- Package Width:
- 9.84 in
- Package Height:
- 5.91 in
- Feature 1:
- Dial indicator graduation .0005'
- Feature 2:
- Accuracy .0008'
- Feature 3:
- Measure the pitch of internal thread with nominal diameter larger than 1 1/2'(38.1mm) and less than 5 1/2'(139.7mm)
- Feature 4:
- Optional accessory: ball points, standard pitch blocks
$2,457.00 -
Insize 2236-5 – External Thread Crest Diameter Measuring Instrument, 2-3/8IN-5-1/2IN/60.325-139.7MM
Insize
$5,552.00Insize 2236-5 – External Thread Cre2236-5- SKU:
- 2236-5
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 5.51 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2236-5
- Product Family:
- Indicators and Test Indicators
- Supplier Category Code:
- A
- EAN:
- 6928640384646
- Package Weight:
- 5.51 lb
- Package Length:
- 12.91 in
- Package Width:
- 11.3 in
- Package Height:
- 3.62 in
- Feature 1:
- Dial indicator graduation 0.01mm
- Feature 2:
- Accuracy 0.02mm
- Feature 3:
- Measure the crest diameter of external thread with nominal diameter larger than 2 3/8'(60.325mm) and less than 20' (508mm)
- Feature 4:
- Optional accessory: height standard and zero standard block
$5,552.00 -
Insize 2236-5E – External Thread Crest Diameter Measuring Instrument, 2-3/8IN-5-1/2IN/60.325-139.7MM
Insize
$5,441.00Insize 2236-5E – External Thread Cr2236-5E- SKU:
- 2236-5E
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 5.51 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2236-5E
- Product Family:
- Indicators and Test Indicators
- Supplier Category Code:
- A
- EAN:
- 6928640384660
- Package Weight:
- 5.51 lb
- Package Length:
- 12.91 in
- Package Width:
- 11.3 in
- Package Height:
- 3.62 in
- Feature 1:
- Dial indicator graduation .0005'
- Feature 2:
- Accuracy .0008'
- Feature 3:
- Measure the crest diameter of external thread with nominal diameter larger than 2 3/8'(60.325mm) and less than 20' (508mm)
- Feature 4:
- Optional accessory: height standard and zero standard block
$5,441.00 -
Insize 2237-5 – Internal Thread Crest Diameter Measuring Instrument, 2-3/8IN-5-1/2IN/60.325-139.7MM
Insize
$6,370.00Insize 2237-5 – Internal Thread Cre2237-5- SKU:
- 2237-5
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 5.51 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2237-5
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384677
- Package Weight:
- 5.51 lb
- Package Length:
- 12.91 in
- Package Width:
- 11.3 in
- Package Height:
- 3.62 in
- Feature 1:
- Dial indicator graduation 0.01mm
- Feature 2:
- Accuracy 0.02mm
- Feature 3:
- Measure the crest diameter of internal thread with nominal diameter larger than 2 3/8'(60.325mm) and less than 20' (508mm)
- Feature 4:
- Optional accessory: height standard and zero standard block
$6,370.00 -
Insize 2237-5E – Internal Thread Crest Diameter Measuring Instrument, 2-3/8IN-5-1/2IN/60.325-139.7MM
Insize
$6,243.00Insize 2237-5E – Internal Thread Cr2237-5E- SKU:
- 2237-5E
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 5.51 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 2237-5E
- Product Family:
- Bore and Inside Measurement
- Supplier Category Code:
- A
- EAN:
- 6928640384691
- Package Weight:
- 5.51 lb
- Package Length:
- 12.91 in
- Package Width:
- 11.3 in
- Package Height:
- 3.62 in
- Feature 1:
- Dial indicator graduation .0005'
- Feature 2:
- Accuracy .0008'
- Feature 3:
- Measure the crest diameter of internal thread with nominal diameter larger than 2 3/8'(60.325mm) and less than 20' (508mm)
- Feature 4:
- Optional accessory: height standard and zero standard block
$6,243.00 -
Insize 3281-1 – Screw Thread Micrometer, 0-1IN
Insize
$202.39Insize 3281-1 – Screw Thread Microm3281-1- SKU:
- 3281-1
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.14 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-1
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640328206
- Package Weight:
- 1.14 lb
- Package Length:
- 7.68 in
- Package Width:
- 4.61 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).
$202.39 -
Insize 3281-2 – Screw Thread Micrometer, 1-2IN
Insize
$225.31Insize 3281-2 – Screw Thread Microm3281-2- SKU:
- 3281-2
- Availability:
- Ships direct from Insize. Most items in stock; we confirm your ship date by email after you order.
- Weight:
- 1.46 LBS
- Brand:
- Insize
- Manufacturer Part Number:
- 3281-2
- Product Family:
- Micrometers
- Supplier Category Code:
- A
- EAN:
- 6928640328213
- Package Weight:
- 1.46 lb
- Package Length:
- 8.9 in
- Package Width:
- 5.04 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).
$225.31
