FASTENERS Inch Pins & Retainers 3
KEYSTOCK — STEP
A
A
• Used on couplings, gears, sheaves, sprockets and pulleys • Type 1 designed for repair and salvage of damaged keys in shafts • Type 2 is useful when mating mismarked keyways, gears and shafts • Size marked on each piece
Type 2
B
B
D
• Zinc plated • 12” pieces
Type 1
D
C
1
C
Type ‘A’
‘B’
‘C’
‘D’
Part No.
Type ‘A’
‘B’
‘C’
‘D’
Part No.
Type ‘A’
‘B’
‘C’
‘D’
Part No.
E78.2.13
E78.2.04
E78.2.005
1
3/4”
3/8”
5/8”
3/16”
2
3/8”
3/16” 1/2”
3/16”
1
3/16”
3/32” 1/8”
1/16”
E78.2.14
E78.2.045
E78.2.01
1
3/4”
3/8”
5/8”
5/16”
2
3/8”
3/16” 1/2”
1/4”
2
3/16”
3/32” 1/4”
3/32”
E78.2.16
E78.2.05
E78.2.015
2
3/4”
3/8”
13/16” 9/32”
1
1/2”
1/4”
7/16” 5/32”
2
3/16”
3/32” 1/4”
1/8”
E78.2.17
E78.2.06
2
3/4”
3/8”
7/8”
7/16”
E78.2.02
2
1/2”
1/4”
9/16” 3/16”
2
1/4”
1/8”
5/16” 1/8”
E78.2.19
E78.2.07
2
3/4”
3/8”
1”
1/2”
2
1/2”
1/4”
5/8”
3/16”
E78.2.0225
2
1/4”
1/8”
3/8”
1/8”
E78.2.20
E78.2.08
1
1”
1/2”
7/8”
7/16”
2
1/2”
1/4”
5/8”
5/16”
E78.2.025
2
1/4”
1/8”
3/8”
3/16”
E78.2.10
1
5/8”
5/16” 3/8”
3/16”
E78.2.03
1
3/8”
3/16” 5/16” 1/8”
E78.2.11
2
5/8”
5/16” 11/16” 1/4”
E78.2.0325
1
3/8”
3/16” 5/16” 5/32”
E78.2.12
1
3/4”
3/8”
1/2”
1/4”
E78.2.035
2
3/8”
3/16” 7/16” 5/32”
KEYSTOCK — SQUARE
STANDARD UNDERSIZE TOLERANCES
Size
Square
B
3/4” + smaller 7/8” to 1-1/2”
+.000 / -.002 +.000 / -.003 +.000 / -.004
Material:
Steel
A
L
Plating:
Zinc or Plain
1-5/8” to 2”
Width ‘A’
Width ‘B’
Length ‘L’
Width ‘A’
Width ‘B’
Length ‘L’
Width ‘A’
Width ‘B’
Length ‘L’
Zinc
Plain
Zinc
Plain
Zinc
Plain
E78.716
E79.716
E78.78
E79.78
7/16 7/16 12”
7/8 7/8 12”
E78.18
E79.18
1/8 1/8 12”
E78.12
E79.12
1/2 1/2 12”
E78.1
E79.1
1
1
12”
E78.532
5/32 5/32 12”
E78.916
E79.916
9/16 9/16 12”
E78.118
1-1/8 1-1/8 12”
E78.316
E79.316
3/16 3/16 12”
E78.58
E79.58
5/8 5/8 12”
E78.114
E79.114
1-1/4 1-1/4 12”
E78.14
E79.14
1/4 1/4 12”
E78.34
E79.34
3/4 3/4 12”
E78.112
E79.112
1-1/2 1-1/2 12”
E78.516
E79.516
5/16 5/16 12”
E78.38
E79.38
3/8 3/8 12”
KEYSTOCK — FLAT
STANDARD UNDERSIZE TOLERANCES
B B
Width ‘A’
Width ‘B’
Length ‘L’
Size
Flat
Part No
A A
3/4” + smaller 7/8” to 1-1/2”
+.000 / -.003 +.000 / -.004 +.000 / -.005
E78.31614 E78.14516 E78.1412 E78.51638 E78.3812 E78.1258
3/16
1/4
12” 12” 12” 12” 12” 12”
1/4 1/4
5/16
L L
1-5/8” to 2”
1/2 3/8 1/2 5/8
5/16
Material: Plating:
Steel Zinc
3/8 1/2
ROD — DRILL AIR QUENCHED
Dia ‘A’
Length ‘B’
Dia ‘A’
Length ‘B’
Part No.
Part No.
Rockwell Hardness
59-62C Medium Difficult
A
Machinability Weldability
K57.04.34 K57.04.1
K57.04.316 K57.04.14 K57.04.516 K57.04.38 K57.04.12
3/4
36” 36”
3/16
36” 36” 36” 36” 36”
B
1
1/4
Corrosion Resistance Depth of Hardening
Low
Deep
5/16
Material: Plating:
Tool Steel
Grindability
Medium
3/8 1/2
Air Quenched
ROD — DRILL WATER QUENCHED
Dia ‘A’
Length ‘B’
Dia ‘A’
Length ‘B’
Rockwell Hardness
56C
Part No.
Part No.
A
Machinability Weldability
Highest Medium
K57.03.14 K57.03.516 K57.03.38 K57.03.716 K57.03.12
1/4
36” 36” 36” 36” 36”
K57.03.916 K57.03.58 K57.03.34 K57.03.78
9/16
36” 36” 36” 36” 36”
Corrosion Resistance Depth of Hardening
Low
5/16
5/8 3/4 7/8
B
Shallow Highest
3/8
Grindability
Material: Plating:
Tool Steel
7/16
1/2
Water Quenched
K57.03.1
1
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