Thread Gages

How do you determine what thread wires to use when checking any thread Gage?

Ex. 3/8-24 UNF-3B, is there a formula to figure out what thread wires to use?

What is a thread wire?

Discover Thread Gages On eBay Below:

3 1 2 12 N GO ONLY THREAD RING GAGE 3500 PD  34459 USA MADE JOHN BATH CO
3 1 2 12 N GO ONLY THREAD RING GAGE 3500 PD 34459 USA MADE JOHN BATH CO
$199.99
2 1 4 16 UN 3A MOD SPL SET THREAD PLUG GAGE 2250 PDS  22046
2 1 4 16 UN 3A MOD SPL SET THREAD PLUG GAGE 2250 PDS 22046
$159.99
365 28 UNS 2A THREAD RING GAGE 3650 GO NO GO PDS  3407  3371 TOOLING
365 28 UNS 2A THREAD RING GAGE 3650 GO NO GO PDS 3407 3371 TOOLING
$74.99
USED 1125 x 7 NC 2 THREAD PLUG GAGE NO GO PD 10407
USED 1125 x 7 NC 2 THREAD PLUG GAGE NO GO PD 10407
$60.00
1 2 14 NPT L1 PIPE THREAD PLUG GAGE 50 NPT L 1 INSPECTION TOOLING TOOLMAKER
1 2 14 NPT L1 PIPE THREAD PLUG GAGE 50 NPT L 1 INSPECTION TOOLING TOOLMAKER
$59.99
VERMONT GAGE Metric ISO  Unified Thread Plug Gage Nominal S10mm Pitch125mm
VERMONT GAGE Metric ISO Unified Thread Plug Gage Nominal S10mm Pitch125mm
$80.84
Regal Go and No Go Thread Plug Gage Set 1 5 16 18 UNEF 2B
Regal Go and No Go Thread Plug Gage Set 1 5 16 18 UNEF 2B
$124.95
1 1 2 12 UNF 3A THREAD RING GAGES 15 GO NO GO PDS 14459  14411 TOOLING
1 1 2 12 UNF 3A THREAD RING GAGES 15 GO NO GO PDS 14459 14411 TOOLING
$282.99
Hanson Whitney Go and No Go Thread Plug Gage Set 1 7 32 20 NS 3
Hanson Whitney Go and No Go Thread Plug Gage Set 1 7 32 20 NS 3
$124.95
1 9 16 8 NS 2B THREAD PLUG GAGE 15625 GO NO GO PDS  14813
1 9 16 8 NS 2B THREAD PLUG GAGE 15625 GO NO GO PDS 14813
$163.99
1 1 4 11 1 2 NPTF L 1 L 3 PIPE THREAD PLUG GAGE TOOLMAKER MACHINE SHOP TOOLING
1 1 4 11 1 2 NPTF L 1 L 3 PIPE THREAD PLUG GAGE TOOLMAKER MACHINE SHOP TOOLING
$149.99
Southern Gage Thread Gage plug 1750 8 UN 2B STI GO 17930 NOTGO 18038 7A4
Southern Gage Thread Gage plug 1750 8 UN 2B STI GO 17930 NOTGO 18038 7A4
$37.49
USED 11250 x 7 NC 3 THREAD PLUG GAGE NO GO PD 10381
USED 11250 x 7 NC 3 THREAD PLUG GAGE NO GO PD 10381
$60.00
1 7 16 16 UN 3B THREAD PLUG GAGE 14375 GO NO GO PDS  13969
1 7 16 16 UN 3B THREAD PLUG GAGE 14375 GO NO GO PDS 13969
$157.99
2 8 N 3W SET THREAD PLUG GAGE 2000 PD  19188  19115 TOOLMAKER MACHINIST
2 8 N 3W SET THREAD PLUG GAGE 2000 PD 19188 19115 TOOLMAKER MACHINIST
$149.99
Greenfield Go and No Go Thread Plug Gage Set 1 1 4 8 UN 2B
Greenfield Go and No Go Thread Plug Gage Set 1 1 4 8 UN 2B
$74.95
2 1 4 16 NS 3 GO NO GO THREAD RING GAGES 22500 PDS  22094
2 1 4 16 NS 3 GO NO GO THREAD RING GAGES 22500 PDS 22094
$299.99
Bath USA Go  No Go Thread Plug Gage Set 15 16 20 NS
Bath USA Go No Go Thread Plug Gage Set 15 16 20 NS
$79.99
USED DETROIT TAP  TOOL CO 1 1 8 x 7 NC THREAD PLUG GAGE GO PD 10322
USED DETROIT TAP TOOL CO 1 1 8 x 7 NC THREAD PLUG GAGE GO PD 10322
$49.95
2 1 8 12 NS SET THREAD PLUG GAGE FOR CALIBRATING RING GAGES PD  20687 TOOLS
2 1 8 12 NS SET THREAD PLUG GAGE FOR CALIBRATING RING GAGES PD 20687 TOOLS
$59.99
1 3 4 16 THREAD PLUG GAGE 1750 GO ONLY PD  17094 INSPECTION TOOLING TOOLS
1 3 4 16 THREAD PLUG GAGE 1750 GO ONLY PD 17094 INSPECTION TOOLING TOOLS
$81.99
Pratt  Whitney USA Thread Plug Go Gage 1 1 16 14 NS
Pratt Whitney USA Thread Plug Go Gage 1 1 16 14 NS
$79.95
Pratt  Whitney USA Thread Plug Go Gage 7 8 32 NS
Pratt Whitney USA Thread Plug Go Gage 7 8 32 NS
$49.95
VERMONT GAGE 301133020 Taperlock Thread Plug Gage Size 3 8 Thread Type UNC
VERMONT GAGE 301133020 Taperlock Thread Plug Gage Size 3 8 Thread Type UNC
$31.34
GF Gage 5 16 18 Class 2B Double End Plug Thread Go No Go Gage Hardened Tool
GF Gage 5 16 18 Class 2B Double End Plug Thread Go No Go Gage Hardened Tool
$88.26
GF Gage 6 40 Class 3B Double End Plug Thread Go No Go Gage Hardened Tool S
GF Gage 6 40 Class 3B Double End Plug Thread Go No Go Gage Hardened Tool S
$104.62
GF Gage 8 32 Thread Steel Screw Thread Insert STI Class 3B Plug Thread I
GF Gage 8 32 Thread Steel Screw Thread Insert STI Class 3B Plug Thread I
$155.76
GF Gage M3x050 Class 6H Single End Plug Thread Go Gage Hardened Tool Steel
GF Gage M3x050 Class 6H Single End Plug Thread Go Gage Hardened Tool Steel
$65.46
GF Gage 9 16 18 Thread Single Ended Ring Thread No Go Gage Class 2A
GF Gage 9 16 18 Thread Single Ended Ring Thread No Go Gage Class 2A
$146.96
GF Gage 9 16 18 Thread Double Ended Ring Thread Go No Go Gage Class 2A
GF Gage 9 16 18 Thread Double Ended Ring Thread Go No Go Gage Class 2A
$291.72
GF Gage M3x050 Class 6H Double End Plug Thread Go No Go Gage Hardened Tool
GF Gage M3x050 Class 6H Double End Plug Thread Go No Go Gage Hardened Tool
$143.87
GF Gage 3 4 16 Thread Single Ended Ring Thread Go Gage Class 2A
GF Gage 3 4 16 Thread Single Ended Ring Thread Go Gage Class 2A
$194.51
GF Gage 3 8 16 Class 2B Double End Plug Thread Go No Go Gage Hardened Tool
GF Gage 3 8 16 Class 2B Double End Plug Thread Go No Go Gage Hardened Tool
$98.27
GF Gage No 10 24 Thread Double Ended Ring Thread Go No Go Gage Class 2A
GF Gage No 10 24 Thread Double Ended Ring Thread Go No Go Gage Class 2A
$234.71
GF Gage 1 2 13 Thread Double Ended Ring Thread Go No Go Gage Class 2A
GF Gage 1 2 13 Thread Double Ended Ring Thread Go No Go Gage Class 2A
$258.19
GF Gage 3 8 16 Thread Steel Screw Thread Insert STI Class 3B Plug Thread
GF Gage 3 8 16 Thread Steel Screw Thread Insert STI Class 3B Plug Thread
$146.01
GF Gage M10x15 Thread Double Ended Ring Thread Go No Go Gage Class 6G
GF Gage M10x15 Thread Double Ended Ring Thread Go No Go Gage Class 6G
$266.70
GF Gage M6x100 Class 6H Double End Plug Thread Go No Go Gage Hardened Tool
GF Gage M6x100 Class 6H Double End Plug Thread Go No Go Gage Hardened Tool
$111.86
GF Gage 1 72 Class 2B Double End Plug Thread Go No Go Gage Hardened Tool S
GF Gage 1 72 Class 2B Double End Plug Thread Go No Go Gage Hardened Tool S
$130.77

Recently Purchased Thread Gages:


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