ZELX SS NPT

MS Material Specifi c Series

SP Taps for American Taper Pipe Threads, for stainless steel

ANSI

2.5P

SL HSS-E OX

THCHT

PO Recommended Tapping Speeds Depending On Materials ISO Vc (m/min) ISO Vc (m/min)

P2≤5HM1≤5H
P3≤5HM2≤5H
STP4≤5I
P7≤5H

H 1st choice I suitable ROLL

FEATURES Material specifi c for blind hole application. Most suitable for stainless steel, steel and alloy steel. OX treatment reduces welding troubles.

ANSI-ZELX SS NPT

TYPE: US_055 TYPE: US_056 CARBIDE K K DCON DCON

LONG

HAND

TAPS

LK K LK

K THL THL LF LF

NPTTCTR (tolerance)Ø (mm)Hole Ø (mm)CodeTHCHT (chamfer)Basic major Ø (mm)LF ( inch )THL ( inch )LS ( inch )DCON ( inch )K ( inch )LK ( inch )NOFTypeStock
ANSI
1/16-27ANSI G66.05Y836402.5P7.7702.1250.687-0.310.2340.3754055f
1/827ANSI G8.358.39Y836412.5P10.1172.1250.75-0.440.3280.3754055h
-ANSI G8.358.39Y836422.5P10.1172.1250.75-0.310.2340.3754056f
1/4-18ANSI G10.810.85Y836432.5P13.4262.4371.062-0.560.4210.4374055h
3/8-18ANSI G14.2514.27Y836442.5P16.8662.5621.062-0.70.5310.54055h
1/2-14ANSI G17.517.6Y836452.5P20.9803.1251.375-0.690.5150.6254056h
3/4-14ANSI G22.922.91Y836462.5P26.3253.251.375-0.910.6790.6874056h
1 -11 1/2ANSI G28.7528.78Y836472.5P32.9343.751.75-1.130.8430.8124056f

GAUGES

MILLS

DIES

CENTER

DRILLS