tf30-1Keps® Preassembled Nut And Washer Products

All of the inherent design, quality and economic advantages of preassembled small parts are provided by Keps preassembled nuts and washers, another ITW Shakeproof invention. Keps fasteners can be hopper fed to automatic drivers for increased assembly efficiencies. The free-spinning washer permits full locking action of the Shakeproof tapered, twisted tooth lock washer.

Material
Steel Nut: C1008-C1020
Steel Washer: C1050
Stainless Steel Nut: 302/304 SS
Stainless Steel Washer: 420 SS
Other materials must be specified at time of quote.
Finish
Standard Finish unless otherwise specified.
Trivalent (CR3) zinc clear chromate 0.0002″ min + bake

External Lockwasher Keps

SIZEWCL
PRODUCT NUMBER
ACROSS FLATSACROSS
CORNERS (MIN.)
NUT
THICKNESS
WASHER O.D.WASHER
MATERIAL
THICKNESS
4-40K0440.250 – .241.289 – .275.098 – .087.286 – .273.014 – .012
6-32K0632 SM/P.250 – .241.289 – .275.098 – .087.287 – .277.014 – .012
6-32K0632.312 – .302.361 – .344.114 – .102.348 – .338.019 – .016
8-32K0832.344 – .332.397 – .378.130 – .117.381 – .370.021 – .018
10-24K1024.375 – .362.433 – .413.130 – .117.411 – .395.023 – .018
10-32K1032.375 – .362.433 – .413.130 – .117.411 – .395.023 – .018
12-24K1224.438 – .423.505 – .482.161 – .148.506 – .494.026 – .022
1/4-20K2520.438 – .423.505 – .482.193 – .178.506 – .494.026 – .022
1/4-28K2528.438 – .423.505 – .482.193 – .178.506 – .494.026 – .022
5/16-18K5618.500 – .489.577 – .557.273 – .258.592 – .573.031 – .027
3/8-16K3716.562 – .551.650 – .628.337 – .320.665 – .650.031 – .027

Dimensions In Inches
Note: SM/P = Small Pattern Nut

Conical Washer Keps

SIZEWCL
PRODUCT NUMBER
ACROSS FLATSACROSS
CORNERS (MIN.)
NUT
THICKNESS
WASHER O.D.WASHER
MATERIAL
THICKNESS
4-40CK0440.250 – .241.289 – .275.098 – .087.286 – .273.014 – .012
6-32CK0632.312 – .302.361 – .344.098 – .087.348 – .338.019 – .016
8-32CK0832.344 – .332.397 – .378.130 – .117.381 – .370.021 – .018
10-32CK1032.375 – .362.433 – .413.130 – .117.411 – .395.023 – .018
1/4-20CK2520.438 – .423.505 – .482.130 – .117.506 – .494.026 – .022
5/16-18CK3118.500 – .489.577 – .557.195 – .180.595 – .573.031 – .027
3/8-16CK3716.562 – .551.650 – .628.227 – .210.665 – .650.031 – .027

Other Washer O.D.’s available to quote upon request

Dimensions In Inches
Note: All Steel Keps® come with standard Zinc Finish. Other finishes are available.
Metric sizes and Stainless Steel Keps® are available. Please inquire with WCL.
Keps is a registered trademarks of Illinois Tool Works Incorporated.