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Internal Thread
External Thread
Length
Body Material
Drill Size
Internal Lock
Body Finish
8-32
5/16"-18
.31"
Steel
I
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 8-32 / 5/16-18
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
10-24
3/8"-16
.31"
Steel
Q
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 10-24 / 3/8-16
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
10-32
3/8"-16
.31"
Steel
Q
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 10-32 / 3/8-16
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
1/4"-20
7/16"-14
.37"
Steel
X
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 1/4-20 / 7/16-14
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
1/4"-28
7/16"-14
.37"
Steel
X
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 1/4-28 / 7/16-14
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
5/16"-18
1/2"-13
.43"
Steel
29/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 5/16-18 / 1/2-13
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
5/16"-24
1/2"-13
.43"
Steel
29/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 5/16-24 / 1/2-13
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
3/8"-16
9/16"-12
.50"
Steel
33/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 3/8-16 / 9/16-12
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
3/8"-24
9/16"-12
.50"
Steel
33/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 3/8-24 / 9/16-12
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
7/16"-14
5/8"-11
.62"
Steel
37/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 7/16-14 / 5/8-11
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
7/16"-20
5/8"-11
.62"
Steel
37/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 7/16-20 / 5/8-11
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
1/2"-13
3/4"-16
.62"
Steel
45/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 1/2-13 / 3/4-16
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
1/2"-20
3/4"-16
.62"
Steel
45/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 1/2-20 / 3/4-16
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
9/16"-12
3/4"-16
.81"
Steel
45/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 9/16-12 / 3/4-16
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
9/16"-18
3/4"-16
.81"
Steel
45/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 9/16-18 / 3/4-16
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
5/8"-11
7/8"-14
.87"
Steel
53/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 5/8-11 / 7/8-14
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
5/8"-18
7/8"-14
.87"
Steel
53/64"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 5/8-18 / 7/8-14
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
3/4"-10
1 1/8"-12
1.12"
Steel
1 1/16"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 3/4-10 / 1-1/8-12
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
3/4"-16
1 1/8"-12
1.12"
Steel
1 1/16"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 3/4-16 / 1-1/8-12
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
7/8"-9
1 1/4"-12
1.25"
Steel
1 3/16"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 7/8-9 / 1-1/4-12
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
7/8"-14
1 1/4"-12
1.25"
Steel
1 3/16"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 7/8-14 / 1-1/4-12
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
1"-8
1 3/8"-12
1.37"
Steel
1 5/16"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 1"-8 / 1-3/8-12
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
1"-12
1 3/8"-12
1.37"
Steel
1 5/16"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 1"-12 / 1-3/8-12
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A
1"-14
1 3/8"-12
1.37"
Steel
1 5/16"
No Locking
Parkerized
Keylocking Inserts, Heavy Duty, Carbon Steel, 1"-14 / 1-3/8-12
Wall Size: Heavy Duty
Class Type: N/A
Internal Thread Class: 2B
External Thread Class: 2A