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Rc DIN EN 10226<br />

HSSE<br />

DC<br />

D5800<br />

N<br />

D5800<br />

Ø” l 1<br />

l 2<br />

d 2<br />

a<br />

Rc mm mm mm mm<br />

1/16 70 17.0 6.0 4.9<br />

1/8 70 17.0 8.0 6.2<br />

1/4 80 27.0 10.0 8.0<br />

3/8 85 27.0 12.0 9.0<br />

1/2 95 35.0 16.0 12.0<br />

3/4 105 35.0 20.0 16.0<br />

1 130 43.0 25.0 20.0<br />

ID<br />

118701<br />

110531<br />

110530<br />

110535<br />

110529<br />

110534<br />

110532<br />

Core hole diameters for tapered pipe thread to DIN EN 10226<br />

Taladros previos para roscas gas cónicas, según DIN EN 10226<br />

Rp, Rc<br />

Parallel hole<br />

Increased tap wear, not recommended<br />

Tapered hole 1:16<br />

Pre-drill at Ø D 2<br />

and taper-ream to Ø D 3<br />

Tapped hole<br />

Engage tap to hole depth<br />

L 2<br />

= nominal Ø<br />

Taladros previos cilíndricos<br />

Desgaste más rápido del macho.<br />

A evitar.<br />

Taladros previos cónicos 1:16<br />

Taladrar cilíndrico según Ø D 2<br />

y escariar cónico según Ø D 3<br />

Roscar<br />

Roscar hasta la profundidad<br />

L 2<br />

= Ø nominal<br />

Ø” L 1<br />

min. D 1<br />

D 2<br />

D 3<br />

L 2<br />

Rc mm mm mm mm mm<br />

1/16 11.90 6.20 6.10 6.56 10.574<br />

1/8 11.90 8.20 8.10 8.57 10.574<br />

1/4 17.70 11.00 10.75 11.45 15.679<br />

3/8 18.10 14.50 14.25 14.95 16.079<br />

1/2 24.00 18.00 17.75 18.63 21.349<br />

3/4 25.30 23.50 23.00 24.12 21.465<br />

1 30.60 29.50 29.00 30.29 26.227<br />

THREADING<br />

TECHNOLOGY<br />

161

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