Thread Check Catalog 2023

SMALL THREAD DIAMETER INSPECTION

Small Diameter Contact Point Arms “SPA” contact point arms hold “SP” straight shank contact points on the SPG-6000 for small internal pitch diameter measurements. Sold separately from gage as a set of 2. Contact points are not included, see chart below. Custom sizes are available, contact customer service for more information.

SPG-6000 with contact points

Model

Description

Reach 1" Long

Min. Bore

SPA-265 Contact point arms, .265” Diameter SPA-375 Contact point arms, .375” Diameter SPA-437 Contact point arms, .437” Diameter

.700" .950"

1.25" Long 1.50" Long

1.100"

Small Diameter Contact Points Gagemaker’s SP straight shank contact points are manufactured with carbide balls. Standard contact diameters are held to tolerances of + .0002". “SP” contact points fit “SPA” contact point arms only. Contact point sizes are matched closely to thread inspection wire sizes. These contact point sizes are used in the TD WIN™ software program (sold separately - page 113). Contact points sold individually and separately. Contact point arms are not included. UN, UNJ, and UNR Series Contact Points

Model SP-105 SP-096 SP-072 SP-057

Thread Pitch

Model SP-050 SP-041 SP-032

Thread Pitch 11.5 - 12 pitch 13 - 16 pitch 18 - 20 pitch

5 pitch

6 - 7 pitch 8 - 9 pitch

10 pitch

Acme, Stub Acme, and Stub Acme Mod-1 & -2 Contact Points

Model SP-105T SP-090T SP-062T

Thread Pitch

Model SP-050T SP-041T SP-032T

Thread Pitch

5 pitch 6 pitch 8 pitch

10 pitch

12 - 14 pitch

16 pitch

Metric and MJ Series Contact Points

Model SP-105 SP-096 SP-072

Thread Pitch 4.5 - 4.75 mm 4 - 4.25 mm

Model SP-057 SP-041 SP-032

Thread Pitch

2.5 mm

1.5 - 2 mm 1 - 1.25 mm

3 - 3.5 mm

SPA Contact Point Arms

Small Diameter Contact Point Arms for Threaded Contact Points “STPA” contact point arms hold threaded contact points on the SPG-6000 for small internal pitch diameter measurements. Sold as a set of 2. Gage, software, and contact points are not included. For contact points, see pages 111-112. Custom sizes are available, contact customer service for more information.

SPA Contact Points

Model

Description

Reach

Min. Bore

STPA-375 Threaded contact point arms, .375 Diameter STPA-437 Threaded contact point arms, .437" Diameter

1.25" Long 1.50" Long

1.032" 1.152"

STPA Contact Point Arms

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