Maschi per filetti fini, gas e pollici INNOT
Taps for fine, pipe and inch threads – INNOT technical drawing

Taps for fine, pipe and inch threads

Metric fine, pipe G, Whitworth, UNC, UNF, UNEF, Pg and round, right- and left-hand: the same geometries for through and blind holes as the metric taps.

ISO P

ISO M

ISO K

ISO N

MF

G (BSP)

UNC / UNF

Left-hand

Request a quote

Technical data sheet PDFCutting data, sizes and grades

Want to try it first? Request a free tester

Prices reserved for companiesLog in to your customer area to see your prices and request new ones in one click.
Sign in
Need technical advice? Talk to INNOT

(+39) 375 786 1361 Call · WhatsApp

Geometry by material

Chamfer, helix and rake chosen for the material

DIN 371 / 376 sizes

Metric, fine, pipe and inch, also custom made

Technical support

We help you choose tap and tap drill

Shipping in 24/48 h

For stock orders throughout Italy

Categories: , ,

Description

Technical drawing

Taps for fine, pipe and inch threadsMF, G (BSP), BSW, UNC, UNF, UNEF, UN, Pg, Rd · right- and left-handINNOTright-hand helix 35° – 45°l threadL overall lengthchamferØ d1Ø d2square a3 flutesBLIND HOLEchip towards the shankmetric fine MFpipe G (BSP)UNC / UNF / UNEFWhitworth BSWleft-hand

Available threads

System Range Application
Metric fine MF from MF 3 × 0.35 to MF 52 × 4 All ISO fine pitches, tolerance 6H
Parallel pipe G (BSP) from G 1/8″ to G 2″ Fittings, hydraulics and pneumatics, gasket sealing
Whitworth BSW from 1/8″ to 2″ Machinery and spare parts of British manufacture
UNC from no. 2-56 to 3″-4 Inch coarse pitch, tolerance 2B
UNF from no. 2-64 to 1.1/2″-12 Inch fine pitch, tolerance 2B
UNEF from no. 12-32 to 1.1/2″-18 Inch extra-fine pitch
UN constant pitch from 9/16″-20 to 3″-8 Large diameters with constant pitch
Pg (electrical conduit) from Pg 7 to Pg 48 Cable glands, switchboards and electrical systems
Round Rd from Rd 8 Robust thread for fittings and connections
Left-hand M, MF and G Same geometries as right-hand taps, for through and blind holes

Taper threads (NPT, BSPT), trapezoidal Tr and profiles to drawing: see the custom tap.

Geometries and materials

Through holes Spiral point, form B
Blind holes Right-hand helix 15°, 35° or 45° depending on the material, form C
Cast irons and short chips Straight flutes, form C
Materials Annealed and quenched and tempered steels, stainless steels, cast irons, aluminium: substrate and coating as for metric taps (see the guide below)
Design Reinforced or reduced shank depending on size (DIN 371, 376, 374, 2184-1)

Selection guide

Material
Through holes
Blind holes
P
Structural and annealed steelsup to 800 N/mm²
Spiral pointTiN35° helixTiN
P
Quenched and tempered and alloy steels800 – 1400 N/mm²
Spiral pointTiCN40° helixTiCN
M
Stainless steels450 – 1000 N/mm²
Spiral pointsteam oxide35° – 40° helixsteam oxide
K
Cast irons and short chipsup to 300 HB
Straight flutesTiCN
N
Aluminium and light alloysSi up to 10 %
Spiral pointbright45° helixbright
↻
Chiplesssteels, stainless steels, aluminium
Forming tapTiN · steam oxide · CrN

Fine, pipe, inch and left-hand threads: special and custom threads.

Which thread do you need?

Tell us the thread (e.g. G 1/2", 3/8"-24 UNF or M20 × 1.5 left-hand), material and hole type: we tell you the right tap with the quote.

Request a quote

Printable cutting data tableAll the data on this page in an INNOT PDF to keep in the shop.Download PDF