Keps® 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
| SIZE | WCL PRODUCT NUMBER |
ACROSS FLATS | ACROSS CORNERS (MIN.) |
NUT THICKNESS |
WASHER O.D. | WASHER MATERIAL THICKNESS |
|---|---|---|---|---|---|---|
| 4-40 | K0440 | .250 – .241 | .289 – .275 | .098 – .087 | .286 – .273 | .014 – .012 |
| 6-32 | K0632 SM/P | .250 – .241 | .289 – .275 | .098 – .087 | .287 – .277 | .014 – .012 |
| 6-32 | K0632 | .312 – .302 | .361 – .344 | .114 – .102 | .348 – .338 | .019 – .016 |
| 8-32 | K0832 | .344 – .332 | .397 – .378 | .130 – .117 | .381 – .370 | .021 – .018 |
| 10-24 | K1024 | .375 – .362 | .433 – .413 | .130 – .117 | .411 – .395 | .023 – .018 |
| 10-32 | K1032 | .375 – .362 | .433 – .413 | .130 – .117 | .411 – .395 | .023 – .018 |
| 12-24 | K1224 | .438 – .423 | .505 – .482 | .161 – .148 | .506 – .494 | .026 – .022 |
| 1/4-20 | K2520 | .438 – .423 | .505 – .482 | .193 – .178 | .506 – .494 | .026 – .022 |
| 1/4-28 | K2528 | .438 – .423 | .505 – .482 | .193 – .178 | .506 – .494 | .026 – .022 |
| 5/16-18 | K5618 | .500 – .489 | .577 – .557 | .273 – .258 | .592 – .573 | .031 – .027 |
| 3/8-16 | K3716 | .562 – .551 | .650 – .628 | .337 – .320 | .665 – .650 | .031 – .027 |
Dimensions In Inches
Note: SM/P = Small Pattern Nut
Note: SM/P = Small Pattern Nut
Conical Washer Keps
| SIZE | WCL PRODUCT NUMBER |
ACROSS FLATS | ACROSS CORNERS (MIN.) |
NUT THICKNESS |
WASHER O.D. | WASHER MATERIAL THICKNESS |
|---|---|---|---|---|---|---|
| 4-40 | CK0440 | .250 – .241 | .289 – .275 | .098 – .087 | .333 – .323 | .014 – .012 |
| 6-32 | CK0632 | .312 – .302 | .361 – .344 | .098 – .087 | .333 – .323 | .019 – .016 |
| 8-32 | CK0832 | .344 – .332 | .397 – .378 | .130 – .117 | .381 – .370 | .021 – .018 |
| 10-32 | CK1032 | .375 – .362 | .433 – .413 | .130 – .117 | .411 – .395 | .023 – .018 |
| 1/4-20 | CK2520 | .438 – .423 | .505 – .482 | .130 – .117 | .506 – .494 | .026 – .022 |
| 1/4-20 | CK2520-03 | .437 – .428 | .505 – .482 | .193 – .176 | .625 | .042 – .051 |
| 5/16-18 | CK3118 | .500 – .489 | .577 – .557 | .195 – .180 | .569 – .555 | .031 – .027 |
| 5/16-18 | CK3118-03 | .500 Ref | .560 min | .265 Ref | .750 Ref | .062 Ref |
| 3/8-16 | CK3716-01 | .562 – .551 | .628 min | .333 – .324 | 1.004 – .990 | .083 – .074 |
| 1/2-13 | CK5013 | .736 – .750 | .840 – .866 | .430 – .447 | 1.235 – 1.265 | .088 – .098 |
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.
Metric Conical Washer Keps
| SIZE (mm) | WCL PRODUCT NUMBER |
ACROSS FLATS | NUT THICKNESS |
WASHER O.D. | WASHER MATERIAL THICKNESS |
|---|---|---|---|---|---|
| 4 | CKM4 | 7 | 3.2 | 10 | 0.5 |
| 5 | CKM5 | 8 | 4 | 12 | 0.8 |
| 6 | CKM6 | 10 | 5 | 14 | 1 |
| 8 | CKM8 | 13 | 6.5 | 18 | 1.4 |
| 10 | CKM10 | 17 | 8 | 22 | 1.6 |
| 12 | CKM12 | 19 | 10 | 25.5 | 2.4 |