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Technical Data

INCH SERIES
SPECIFICATION MATERIAL
ASME/ANSI B.18.8.2
MIL-P-10971
NAS561
MS 171401-171900

CARBON
STEEL

STAINLESS STEEL
CHROME NICKEL
AISI 1070-1095
SAE 6150H 		AISI 420 AISI 302/304SS
HARDNESS

Scale

  
Rockwell "C" 46-53 46-52 Work Hardened
FINISH

Standard

Options*

 Plain/Oiled 

Zinc - Mechanical

 Plain 

Passivated

 Plain 

Passivated
* Other finishes available upon request
LENGTH TOLERANCES

Nominal Pin
Length

Length
Tolerance

3/16 to 1" inc
Over 1" to 2"
Over 2" to 3"
Over 3" to 4"
Over 4"

±0.015"
±0.020"
±0.025"
±0.030"
±0.035"
STRAIGHTNESS TOLERANCE

Nominal Pin
Length

Gage Length

Straightness
Diameter
Allowance

±0.005

Up to 1" inc
Over 1" to 2" inc
Over 2"

1.000
2.000
3.000

0.007
0.010
0.013
METRIC ASME (IFI)
SPECIFICATION MATERIAL

ASME (IFI)
B.18.8.4M-2000

CARBON
STEEL

STAINLESS STEEL
CHROME NICKEL

AISI 1070-1095

AISI 420

AISI 302/304SS
HARDNESS

Diameter

 Scale

 
1-5 Vickers HV 458-560 423-560 Work Hardened
2-3 Rockwell 15N 83.5-86.9 82.0-86.0 Work Hardened
4-6 Rockwell A 82.0-86.4 72.0-76.8 Work Hardened

8-12

Rockwell C

45-53

43-52

Work Hardened
FINISH

Standard

Options*

 Plain/Oiled 

Zinc - Mechanical

 Plain 

Passivated

 Plain 

Passivated
* Other finishes available upon request
LENGTH TOLERANCES - METRIC

Nominal Pin
Length

Length
Tolerance

up to 24 mm inc
over 24-50 mm inc
over 50-75 mm inc
over 75 mm

±0.40
±0.50
±0.60
±0.75
STRAIGHTNESS TOLERANCE - METRIC
  Gage Hole Diameter

Nominal
Pin
Length

Gage
Length

Maximum Free Pin Diameter Plus

Max

 Min Max Min

Up to 24, incl.
Over 24-50
Over 50

25.15
50.15
75.15

24.85
49.85
74.85

0.22
0.43
0.64

0.20
0.40
0.60

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