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Key Inserts – Heavy Duty, Stainless Steel, Internal Thread Locking (Inch)

Threaded Inserts

Key Insert
QUANTITY PART NO. INTERNAL
THREAD
EXTERNAL
THREAD
LENGTH SHEAR
ENGAGEMENT
AREA
(sq in.)
MS
EQUIVALENT
CL-1420-SKSL 1/4-20 7/16-14 .37 .197 MS 51831-102L
CL-51618-SKSL 5/16-18 1/2-13 .43 .261 MS 51831-103L
CL-3816-SKSL 3/8-16 9/16-12 .50 .384 MS 51831-104L
CL-1213-SKSL 1/2-13 11/16-11 NS .68 .737 MS 51831-106L
CL-5811-SKSL 5/8-11 7/8-14 .87 1.242 MS 51831-108L
CL-3410-SKSL 3/4-10 1-1/8"-12 1.25 2.448 MS 51831-109L
Installation Tool
QUANTITY PART NO. FITS KEY INSERT
CL-14-KST CL-1420-SKSL
CL-516-KST CL-51618-SKSL
CL-38-KST CL-3816-SKSL
CL-111611-KSST CL-1213-SKSL
CL-58-KST CL-5811-SKSL
CL-34-KST CL-3410-SKSL
Installation Data
QUANTITY PART NO. REQUIRED
TAP
DRILL
COUNTERSINK
DIA
MINIMUM
THREAD
DEPTH
STANDARD
TAP
CL-1420-SKSL X .447 .43 7/16-14
CL-51618-SKSL 29/64 .510 .50 1/2-13
CL-3816-SKSL 33/64 .572 .56 9/16-12
CL-1213-SKSL 41/64 .700 .75 11/16-11 NS
CL-5811-SKSL 53/64 .885 1.00 7/8-14
CL-3410-SKSL 1-1/16 1.145 1.31 1-1/8"-12
Removal Data
QUANTITY PART NO. REMOVAL DRILL SIZE REMOVAL DRILL DEPTH
CL-1420-SKSL 11/32 3/16
CL-51618-SKSL 13/32 3/16
CL-3816-SKSL 15/32 3/16
CL-1213-SKSL 19/32 3/16
CL-5811-SKSL 25/32 3/16
CL-3410-SKSL 31/32 5/16