TRD Specialties, Inc.Chrome Steel Balls, 52100
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Tooling Checking Balls

Tooling Balls (w/plain shank)

2-piece construction assembled by a proprietary welding technique that maintains the high precision and finish of the ball. The weld is also designed so that the ball will break off if the subject to undue lateral force, preventing damage to expensive equipment in the event of set up errors and faulty readings caused by bending of shank.

Material type 440C stainless steel

Concentricity, ball to shank .0002 T.R.I. maximum

Part No.

A

B

C

40422

.2500

.5600

.1247

40622

.3750

.7500

.1872

40822

.5000

.9400

.2497

41022

.6250

1.060

.3122

41222

.7500

1.250

.3747

41422

.8750

1.440

.4372

41622

1.000

1.620

.4997

Checking Balls (w/ reference shoulder)

2-piece welded construction assembled by same welding technique as tooling balls, but manufactured to tighter tolerance with reference shoulder that allows for more accurate positioning, re-positioning and/or replacements

Material type 440C stainless steel

Concentricity, ball to shank .0002 T.R.I. maximum

Part No.

A

B

C

D

80244

.1250

.0938

.3750

.1255

80444

.2500

.2000

.5600

.1247

80644

.3750

.3000

.7500

.1872

80844

.5000

.4000

.9400

.2497

81044

.6250

.4500

1.060

.3122

81244

.7500

.5000

1.250

.3747

81444

.8750

.6000

1.440

.4372

81644

1.000

.7000

1.620

.4997

Checking Balls (w/ reference shoulder & tapped shank)

2-piece welded construction, like standard checking balls, but with tapped shank allowing assemblies to be screwed into position from below via a cap screw. This allows assembly to be positioned or replaced without applying pressure to the ball.

Material type 440C stainless steel

Concentricity, ball to shank .0002 T.R.I. maximum

Part No.

A

B

C

D

34822

.5000

.3125

.2499

.9600


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