Technical data:
Thread size:1 4-18 NPT
Coating:TiAlN
Thread type:NPT
Flank angle:60 degrees
Tool material:HSS E PM
Standard:Manufacturer’s standard
Thread standard:ANSI B 1.20.1
Taper lead form:C
Taper ratio:1:16
Helix angle:15 degrees
Shank:Plain shank with h9
Through-coolant:no
Application for type of drilling:Blind hole; Through hole
Cutting direction:right-hand
Thread pitch:1.411 mm
Threads per inch:18
Overall length L:100 mm
Shank ⌀ Ds:11 mm
Shank square □:9 mm
Tapping hole ⌀ A:11.1 mm
Tapping hole ⌀ B:10.75 mm
Thread gauge ⌀ Dmax+ 0.05:11.36 mm
Tapping hole minimum depth:17.5 mm
Thread ⌀:13.616 mm
Type of threading tool:Machine tap for conventional machining
Number of clamping slots:4
Colour ring:red
Number of cutting edges Z:4
Thread depth:25.84 mm
Type of product:Tap
Version:
For the highest performance demands. For use with emulsion (fat content minimum 8%).
Application:
Tapered pipe threads (NPT) to ANSI B1.20.1, for threads with sealants. See the table for the specified minimum size of the tapping hole.
Recommendation:
For TOOLOX and HARDOX materials we recommend deviating from the DIN data (see table) by drilling the tapping hole ⌀ 0.05 to 0.3 mm larger.Tapping hole ⌀ A:Pre-drill a plain hole without using a reamer.Tapping hole ⌀ B:Pre-drill a plain hole and then ream it using a 1:16 taper reamer (see No. 162650). The taper bore ⌀ can then be checked laterally by reference to the Dmax check dimension (see table). Variant B for drilling the tapping hole offers the best process reliability for the tapping operation.
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