Plug Gage | STI
Premium HSS thread plug gages
Tool Features
HSS, STI
Series 191 Overview
- A mechanical thread inspection tool used to check a work piece against its allowed thread tolerances
- For inspection of screw thread insert (STI) threads
- Hardened High Speed Steel construction
Series Lineup
General Purpose - Threading
Series 126
Straight Flute Carbide Tap
Carbide, Bright
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 158M
Hex Metric Combo Drill/Tap
HSS, Multi FL, Bright, TiN, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 158
Hex Combo Drill/Tap
HSS, Multi FL, Bright, TiN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 157
HSS Combo Drill/Tap
HSS, Multi FL, Bright, TiN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 156M
Metric Combo Drill/Tap
HSS, Multi FL, Bright, TiN, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 156
Combo Drill/Tap
HSS, Multi FL, Bright, TiN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 109M
Spiral Point Tap
HSS, Multi FL, Bright, TiN, TiCN, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 108M
Metric Hand Tap
HSS, Multi FL, Bright, TiN, TiCN, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 101L
Hand Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 105L
Spiral Point Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 169T
ACME Hand Tap
HSS, 4FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 169
ACME Hand Tap
HSS, 4FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 168T
ACME Hand Tap
HSS, 4FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 168
ACME Hand Tap
HSS, 4FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 170C
Conduit Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 167
STI Spiral Point Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 166
STI Hand Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 165
Left Hand Spiral Point Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 164M
Left Hand Metric Hand Tap
HSS, 4FL, Bright, TiN, TiCN, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 164
Left Hand Hand Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 137
4 Flute Modified Pipe Tap
HSS, 4FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 136
Full Pipe Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 136P
Full Pipe Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 135
British Standard Pipe Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 134
British Standard Pipe Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 133
Multi Flute Pipe Taps
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 132
Multi Flute Spiral Flute Pipe Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 131F
Multi Flute Pipe Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 131I
Multi Flute Pipe Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 131
Multi Flute Pipe Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 104M
Multi Flute Metric Forming Tap
HSS, Multi FL, Bright, TiN, TiCN, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 104
Multi Flute Forming Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 105M
Multi Flute Spiral Point Metric Tap
HSS, Multi FL, Bright, TiN, TiCN, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 105
Multi Flute Spiral Point Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 107M
Multi Flute Spiral Flute Metric Tap
HSS, Multi FL, Bright, TiN, TiCN, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 107
Multi Flute Spiral Flute Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 101M
Multi Flute Metric Hand Tap
HSS, Multi FL, Metric, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 103
4 Flute Hand Tap
HSS, 4FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 101
HSS Hand Tap
HSS, Multi FL, Bright, TiN, TiCN
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 128M
Spiral Point Metric Carbide Tap
Carbide, Bright, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 128
Spiral Point Carbide Tap
Carbide, Bright
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 126M
Straight Flute Metric Carbide Taps
Carbide, Bright, Metric
P1
P2
P3
K1
K2
N1
N2
H1
General Purpose - Threading
Series 127
NPT/F Pipe Carbide Tap
Carbide, Bright
P1
P2
P3
K1
K2
N1
N2
H1
Resources
Product Offering
| Part Number | taps_thread_size | taps_class_of_fit | taps_go_nogo | Stock | List Price |
|---|---|---|---|---|---|
| 24621 | 4-48 NF | 3B | NoGo | 1 | $149.76 |
| 24597 | 2-56 NC | 2B | Go/NoGo | 0 | $333.73 |
| 24628 | 5-40 NC | 3B | Go/NoGo | 0 | $320.48 |
| 24639 | 6-40 NF | Go | 0 | $149.76 | |
| 24616 | 4-40 NC | 3B | NoGo | 0 | $149.76 |
| 24642 | 6-40 NF | 2B | Go/NoGo | 0 | $320.48 |
| 24619 | 4-48 NF | Go | 0 | $149.76 | |
| 24646 | 8-32 NC | 3B | NoGo | 2 | $139.45 |
| 24625 | 5-40 NC | 2B | NoGo | 1 | $149.76 |
| 24635 | 6-32 NC | 3B | NoGo | 2 | $149.76 |
| 24594 | 2-56 NC | Go | 0 | $156.74 | |
| 24615 | 4-40 NC | 2B | NoGo | 2 | $149.76 |
| 24620 | 4-48 NF | 2B | NoGo | 0 | $149.76 |
| 24626 | 5-40 NC | 3B | NoGo | 0 | $149.76 |
| 24637 | 6-32 NC | Go/NoGo | 0 | $320.48 | |
| 24636 | 6-32 NC | 2B | NoGo | 2 | $149.76 |
| 24648 | 8-32 NC | 3B | Go/NoGo | 0 | $299.32 |
| 24596 | 2-56 NC | 3B | NoGo | 0 | $156.74 |
| 24614 | 4-40 NC | Go | 2 | $149.76 | |
| 24595 | 2-56 NC | 2B | NoGo | 0 | $156.74 |
| 24617 | 4-40 NC | 2B | Go/NoGo | 0 | $320.48 |
| 24624 | 5-40 NC | Go | 2 | $149.76 | |
| 24638 | 6-32 NC | 3B | Go/NoGo | 0 | $320.48 |
| 24641 | 6-40 NF | 3B | NoGo | 0 | $149.76 |
| 24647 | 8-32 NC | 2B | Go/NoGo | 0 | $299.32 |
| 24640 | 6-40 NF | 2B | NoGo | 1 | $149.76 |
| 24622 | 4-48 NF | 2B | Go/NoGo | 0 | $320.48 |
| 24623 | 4-48 NF | 3B | Go/NoGo | 0 | $320.48 |
| 24653 | 8-36 NF | 3B | Go/NoGo | 0 | $299.32 |
| 24651 | 8-36 NF | 3B | NoGo | 1 | $139.45 |
| 24643 | 6-40 NF | 3B | Go/NoGo | 0 | $320.48 |
| 24644 | 8-32 NC | Go | 2 | $139.45 | |
| 24645 | 8-32 NC | 2B | NoGo | 0 | $139.45 |
| 24627 | 5-40 NC | 2B | Go/NoGo | 0 | $320.48 |
| 24634 | 6-32 NC | 2B | Go | 1 | $149.76 |
| 24649 | 8-36 NF | Go | 1 | $139.45 | |
| 24655 | 10-24 NC | 2B | NoGo | 0 | $139.45 |
| 24657 | 10-24 NC | 2B | Go/NoGo | 0 | $299.32 |
| 24650 | 8-36 NF | 2B | NoGo | 0 | $139.45 |
| 24652 | 8-36 NF | 2B | Go/NoGo | 0 | $299.32 |
| 24654 | 10-24 NC | Go | 2 | $139.45 | |
| 24664 | 12-24 NC | Go | 2 | $140.93 | |
| 24667 | 12-24 NC | 2B | Go/NoGo | 0 | $299.32 |
| 24661 | 10-32 NF | 3B | NoGo | 3 | $139.45 |
| 24663 | 10-32 NF | 3B | Go/NoGo | 0 | $299.32 |
| 24658 | 10-24 NC | 3B | Go/NoGo | 0 | $299.32 |
| 24660 | 10-32 NF | 2B | NoGo | 0 | $139.45 |
| 24656 | 10-24 NC | 3B | NoGo | 4 | $139.45 |
| 24659 | 10-32 NF | Go | 1 | $139.45 | |
| 24662 | 10-32 NF | 2B | Go/NoGo | 0 | $299.32 |
| 24666 | 12-24 NC | 3B | NoGo | 1 | $140.93 |
| 24665 | 12-24 NC | 2B | NoGo | 1 | $140.93 |
| 24683 | 1/4-28 NF | 3B | Go/NoGo | 0 | $281.84 |
| 24684 | 5/16-18 NC | Go | 0 | $132.46 | |
| 24668 | 12-24 NC | 3B | Go/NoGo | 0 | $299.32 |
| 24677 | 1/4-20 NC | 2B | Go/NoGo | 0 | $281.84 |
| 24678 | 1/4-20 NC | 3B | Go/NoGo | 0 | $281.84 |
| 24685 | 5/16-18 NC | 2B | NoGo | 2 | $132.46 |
| 24676 | 1/4-20 NC | 3B | NoGo | 0 | $132.46 |
| 24679 | 1/4-28 NF | Go | 1 | $132.46 | |
| 24675 | 1/4-20 NC | 2B | NoGo | 1 | $132.46 |
| 24682 | 1/4-28 NF | 2B | Go/NoGo | 0 | $281.84 |
| 24674 | 1/4-20 NC | Go | 0 | $132.46 | |
| 24680 | 1/4-28 NF | 2B | NoGo | 1 | $132.46 |
| 24686 | 5/16-18 NC | 3B | NoGo | 1 | $132.46 |
| 24688 | 5/16-18 NC | 3B | Go/NoGo | 0 | $281.84 |
| 24689 | 5/16-24 NF | Go | 0 | $132.46 | |
| 24687 | 5/16-18 NC | 2B | Go/NoGo | 0 | $281.84 |
| 24691 | 5/16-24 NF | 3B | NoGo | 0 | $132.46 |
| 24694 | 3/8-16 NC | Go | 1 | $132.46 | |
| 24681 | 1/4-28 NF | 3B | NoGo | 2 | $132.46 |
| 24693 | 5/16-24 NF | 3B | Go/NoGo | 0 | $281.84 |
| 24690 | 5/16-24 NF | 2B | NoGo | 1 | $132.46 |
| 24692 | 5/16-24 NF | 2B | Go/NoGo | 0 | $281.84 |
| 24695 | 3/8-16 NC | 2B | NoGo | 1 | $132.46 |
| 24696 | 3/8-16 NC | 3B | NoGo | 1 | $132.46 |
| 24704 | 7/16-14 NC | Go | 0 | $135.95 | |
| 24697 | 3/8-16 NC | 2B | Go/NoGo | 0 | $281.84 |
| 24701 | 3/8-24 NF | 3B | NoGo | 1 | $132.46 |
| 24703 | 3/8-24 NF | 3B | Go/NoGo | 0 | $281.84 |
| 24700 | 3/8-24 NF | 2B | NoGo | 2 | $132.46 |
| 24708 | 7/16-14 NC | 3B | Go/NoGo | 0 | $289.02 |
| 24710 | 7/16-20 NF | 2B | NoGo | 1 | $135.95 |
| 24711 | 7/16-20 NF | 3B | NoGo | 1 | $135.95 |
| 24713 | 7/16-20 NF | 3B | Go/NoGo | 0 | $289.02 |
| 24716 | 1/2-13 NC | 3B | NoGo | 1 | $151.78 |
| 24706 | 7/16-14 NC | 3B | NoGo | 1 | $135.95 |
| 24699 | 3/8-24 NF | Go | 2 | $132.46 | |
| 24707 | 7/16-14 NC | 2B | Go/NoGo | 0 | $289.02 |
| 24712 | 7/16-20 NF | 2B | Go/NoGo | 0 | $289.02 |
| 24715 | 1/2-13 NC | 2B | NoGo | 2 | $151.78 |
| 24718 | 1/2-13 NC | 3B | Go/NoGo | 0 | $323.6 |
| 24702 | 3/8-24 NF | 2B | Go/NoGo | 0 | $281.84 |
| 24714 | 1/2-13 NC | Go | 2 | $151.78 | |
| 24719 | 1/2-20 NF | Go | 0 | $151.78 | |
| 24705 | 7/16-14 NC | 2B | NoGo | 0 | $135.95 |
| 24722 | 1/2-20 NF | 2B | Go/NoGo | 0 | $323.6 |
| 24721 | 1/2-20 NF | 3B | NoGo | 1 | $151.78 |
| 24709 | 7/16-20 NF | Go | 0 | $135.95 | |
| 24698 | 3/8-16 NC | 3B | Go/NoGo | 0 | $281.84 |
| 24734 | 5/8-11 NC | Go | 0 | $186.36 | |
| 24720 | 1/2-20 NF | 2B | NoGo | 1 | $151.78 |
| 24723 | 1/2-20 NF | 3B | Go/NoGo | 0 | $323.6 |
| 24735 | 5/8-11 NC | 2B | NoGo | 0 | $186.36 |
| 24741 | 5/8-18 NF | 3B | NoGo | 0 | $186.36 |
| 24717 | 1/2-13 NC | 2B | Go/NoGo | 0 | $323.6 |
| 24737 | 5/8-11 NC | 2B | Go/NoGo | 0 | $393.33 |
| 24743 | 5/8-18 NF | 3B | Go/NoGo | 0 | $393.33 |
| 24740 | 5/8-18 NF | 2B | NoGo | 0 | $186.36 |
| 24738 | 5/8-11 NC | 3B | Go/NoGo | 0 | $393.33 |
| 24749 | 3/4-16 NF | Go | 0 | $196.85 | |
| 24736 | 5/8-11 NC | 3B | NoGo | 1 | $186.36 |
| 24745 | 3/4-10 NC | 2B | NoGo | 0 | $196.85 |
| 24746 | 3/4-10 NC | 3B | NoGo | 0 | $196.85 |
| 24747 | 3/4-10 NC | 2B | Go/NoGo | 0 | $413.94 |
| 24752 | 3/4-16 NF | 2B | Go/NoGo | 0 | $413.94 |
| 24750 | 3/4-16 NF | 2B | NoGo | 0 | $196.85 |
| 24739 | 5/8-18 NF | Go | 0 | $186.36 | |
| 24742 | 5/8-18 NF | 2B | Go/NoGo | 0 | $393.33 |
| 24744 | 3/4-10 NC | Go | 0 | $196.85 | |
| 24753 | 3/4-16 NF | 3B | Go/NoGo | 0 | $413.94 |
| 24751 | 3/4-16 NF | 3B | NoGo | 0 | $196.85 |
| 24748 | 3/4-10 NC | 3B | Go/NoGo | 0 | $413.94 |