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#1184 6-Lobe (TX) GO / NO-GO Gage
Universal Punch Corp. | Recess Inspection GagingCombined GO / NO-GO inspection for internal 6-Lobe (TX) recess head screws. Designed for fast, repeatable verification of minimum acceptable form and maximum allowable recess condition in one compact production gage.
Tamper-proof style is available for sizes #6 through #45. Long-form calibration certificates support dimensional traceability and documented inspection control.

Product Type
GO / NO-GO Recess Gage
Drive Style
Internal 6-Lobe (TX)
Inspection Focus
Minimum + Maximum Form Control
Standard Size Range
T4 through T100
Product Overview
The #1184 6-Lobe (TX) GO / NO-GO Gage is designed for efficient inspection of internal 6-Lobe recess head screws where both lower and upper form limits must be verified. By combining GO and NO-GO functionality into a single tool, the gage supports faster inspection routines and more consistent operator use on the production floor and in receiving inspection.
In practice, the GO end verifies that the recess meets the minimum acceptable condition for driver engagement, while the NO-GO end confirms that the recess does not exceed the maximum allowable size condition. This combined approach reduces tool changes and improves inspection efficiency without sacrificing dimensional confidence.
What This Gage Checks
- Minimum acceptable internal 6-Lobe recess form
- Maximum allowable internal recess condition
- Combined GO and NO-GO verification in one tool
- Consistent production and receiving inspection
- Dimensional control prior to final assembly
Technical Specifications
Series#1184
ApplicationInternal recess head screws
Drive Type6-Lobe (TX)
Reference StandardsTMF-804, TXQ-804
ConfigurationCombined GO / NO-GO inspection tool
Available SizesT4 – T100
Tamper-Proof OptionAvailable for sizes #6 – #45
ConstructionHeat treated, thermally stabilized, surface treated probes
CalibrationLong-form calibration certificate included
TraceabilityNIST traceable
Use EnvironmentProduction and receiving inspection
Product Family6-Lobe recess inspection gaging
Available Sizes and Ordering Information
Standard sizes are available from T4 through T100. Use the table below to align drive size, part number, and gage reference number.
| Drive Size | Part Number | Reference Number |
|---|---|---|
| T4 | 1184-04 | 4-TXI-900 |
| T5 | 1184-05 | 5-TXI-900 |
| T6 | 1184-06 | 6-TXI-900 |
| T7 | 1184-07 | 7-TXI-900 |
| T8 | 1184-08 | 8-TXI-900 |
| T9 | 1184-09 | 9-TXI-900 |
| T10 | 1184-10 | 10-TXI-900 |
| T15 | 1184-15 | 15-TXI-900 |
| T20 | 1184-20 | 20-TXI-900 |
| T25 | 1184-25 | 25-TXI-900 |
| T27 | 1184-27 | 27-TXI-900 |
| T30 | 1184-30 | 30-TXI-900 |
| T40 | 1184-40 | 40-TXI-900 |
| T45 | 1184-45 | 45-TXI-900 |
| T50 | 1184-50 | 50-TXI-900 |
| T55 | 1184-55 | 55-TXI-900 |
| T60 | 1184-60 | 60-TXI-900 |
| T70 | 1184-70 | 70-TXI-900 |
| T80 | 1184-80 | 80-TXI-900 |
| T90 | 1184-90 | 90-TXI-900 |
| T100 | 1184-100 | 100-TXI-900 |
Standards, Quality, and Traceability
The #1184 GO / NO-GO Gage is referenced to TMF-804 and TXQ-804 for internal 6-Lobe recess head screws. Universal Punch manufactures gaging products for precision inspection environments where repeatability, durability, and documented control are critical.
Gage probes are heat treated, thermally stabilized, and surface treated to maximize wear life. Long-form calibration certificates provide dimensions and tolerances to specified standards and are traceable to NIST for dependable inspection performance.
Typical Applications
- Fastener manufacturing quality control
- Receiving inspection of incoming parts
- Production line dimensional verification
- Aerospace and defense fastener programs
- Automotive, medical device, and industrial precision assembly operations
Related 6-Lobe Inspection Gages
Universal Punch also offers complementary 6-Lobe inspection tools for penetration, fallaway, and final inspection requirements.
#1180 Penetration Gage
#1181 GO Penetration Gage
#1182 NO-GO Fallaway Gage
#1185 Final Inspection Gage









