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General

Brand NameGreenfield Threading
Style #PTT
SetNo

Thread

Thread CreationThread Cutting
Tap Interrupted ThreadNo

Specifications

Surface ConditionBright
MaterialHSS
Tap TypePipe Tap
Tap StyleTapered Pipe Tap
Tap ConstructionMedium Hook Taper
Tap Spiral PointNo
Tap Blank ConstructionUSCTI Table 311
Tap Ground ThreadsYes
Tap HookMedium (5-10)
Tap ChamferSemi-Bottoming
Tap Truncated ThreadsNo
Flute TypeStraight
Hand of CutRight

Shank

Shank ConfigurationStraight w/ Square

Application

Material ApplicationK: Cast Iron, M: Stainless Steel, N: Non-ferrous (Aluminum), P: Steel

Literature:

GFI SDS 01 - HSS Product - March 2025.pdf

Warnings:

This product contains Cobalt and/or Nickel and/or Lead a chemical known to the state of California to cause cancer, or birth defects or other reproductive harm. For more information: www.p65warnings.ca.gov

Category: Taps
Brand: Greenfield Threading

Options

SKU:	Thread Size	Dec. Eq. (in)	Dec. Eq. (mm)	# of Flutes	Chamfer	H-Limit	OAL (in)	OAL (mm)	Thread Length (in)	Thread Length (mm)	Pack Qty	Min Qty
385307	1/16"-27 NPT	0.0625	1.59	4	Semi-Bottoming	-	2.1250	53.97	0.6875	17.46	1	1
385323	1/16"-27 NPTF	0.0625	1.59	4	Semi-Bottoming	-	2.1250	53.97	0.6875	17.46	1	1
385331	1/8"-27 NPT	0.1250	3.18	4	Semi-Bottoming	-	2.1250	53.97	0.7500	19.05	1	1
385364	1/8"-27 NPT	0.1250	3.18	4	Semi-Bottoming	-	2.1250	53.97	0.7500	19.05	1	1
385356	1/8"-27 NPTF	0.1250	3.18	4	Semi-Bottoming	-	2.1250	53.97	0.7500	19.05	1	1
385380	1/8"-27 NPTF	0.1250	3.18	4	Semi-Bottoming	-	2.1250	53.97	0.7500	19.05	1	1
385398	1/4"-18 NPT	0.2500	6.35	4	Semi-Bottoming	-	2.4375	61.91	1.0625	26.99	1	1
385413	1/4"-18 NPTF	0.2500	6.35	4	Semi-Bottoming	-	2.4375	61.91	1.0625	26.99	1	1
385422	3/8"-18 NPT	0.3750	9.53	4	Semi-Bottoming	-	2.5625	65.09	1.0625	26.99	1	1
385448	3/8"-18 NPTF	0.3750	9.53	4	Semi-Bottoming	-	2.5625	65.09	1.0625	26.99	1	1
385455	1/2"-14 NPT	0.5000	12.70	4	Semi-Bottoming	-	3.1250	79.38	1.3750	34.92	1	1
385471	1/2"-14 NPTF	0.5000	12.70	4	Semi-Bottoming	-	3.1250	79.38	1.3750	34.92	1	1
385489	3/4"-14 NPT	0.7500	19.05	5	Semi-Bottoming	-	3.2500	82.55	1.3750	34.92	1	1
385505	3/4"-14 NPTF	0.7500	19.05	5	Semi-Bottoming	-	3.2500	82.55	1.3750	34.92	1	1
385513	1"-11.5 NPT	1.0000	25.40	5	Semi-Bottoming	-	3.7500	95.25	1.7500	44.45	1	1
385539	1-11.5 NPTF	1.0000	25.40	5	Semi-Bottoming	-	3.7500	95.25	1.7500	44.45	1	1
385547	1-1/4"-11.5 NPT	1.2500	31.75	5	Semi-Bottoming	-	4.0000	101.60	1.7500	44.45	1	1
385562	1-1/4"-11.5 NPTF	1.2500	31.75	5	Semi-Bottoming	-	4.0000	101.60	1.7500	44.45	1	1
385570	1-1/2"-11.5 NPT	1.5000	38.10	7	Semi-Bottoming	-	4.2500	107.95	1.7500	44.45	1	1
385604	2-11.5 NPT	2.0000	50.80	7	Semi-Bottoming	-	4.5000	114.30	1.7500	44.45	1	1