Precision Fittings, Inc.
Precision Fittings, Inc.
709 N. Main St., Wellington,
Ohio 44090
Phone: 440-647-4143   Fax: 440-647-5030
Email: sales@PrecisionFittings.com
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  • Threads - Threads to conform to table III (from spec. SS-102)/socket screw prod. bureau. N.Y., N.Y.
  • Pitch diameter - The pitch dia. at the socket face is the diametral equivalent of one-half thread larger than the pitch dia. (e1) of a standard pipe thread tapered tapped hole (0.750 diametral taper per 12") this provides the basic point of thread interference to produce a high pressure sealed joint.
  • Material - Steel, High grade. Hardened by quenching in a suitable medium from the hardening temperature tempered to a through hardness of rockwell "c" 36-43. (5-A) unless otherwise requested by customer.
  • Identification grooves - Six equally spaced identification grooves (3 permitted on 1/16-27 due to space limitations) to be located equidistant between corners of hexagon socket and edge of chamfer. No particular alignment with Hexagon is required.
Unit of Measure

Specifications

Taper per Foot

 N/A 7/8 in

Thread Type

 N/A Flush Type (PTF-7/8)

Size & Pitch

 N/A 1/16"-27

D
Nominal Diameter, Ref.

 N/A 0.307

J
Hex, Across Flats

 N/A 0.156

T
Socket Depth, Min.

 N/A 0.140

G Min.

 N/A 0.052

L
Overall Length

 N/A 0.250/0.235