Spaenaur

Inch and Metric
Pouces et Métrique
IDENTIFICATION
CLASS 9
9
Unit Pkg. Qty. - 100
®
Locknuts
Écrous indesserrables
METRIC CROWNLOCK FLANGE NUT — PROP. CLASS 9
The Gripco Metric Crownlock Flange Nuts are manufactured from low carbon steel to meet
class 9 performance specifications. Greater height and the added hoop strength of the flange
provide 30% more strength than a standard nut. These prevailing torque nuts are designed for
use with Grade 9.8 bolts. Cadmium and Wax Finish is being replaced by Zinc Dichromate
(Gold). Cadmium will be supplied until stock is depleted.
Coarse
Dimensions in mm
Thread SPAENAUR (F) WIDTH ACROSS FLATS (H) THICKNESS (B) FLANGE DIAMETER
Size No. MAX. MIN. MAX. MIN. MAX. MIN.
M8 x 1.25 165-382 13.00 12.73 9.40 9.00 17.6 16.9
C
B
A
D
C
TOPLOCK,
OPTIONAL.
● Cadmium and Wax Finish is being
replaced by Zinc Dichromate (Gold).
Cadmium will be supplied until stock
is depleted.
COARSE and
FINE THREAD
CLINCH NUTS
STANDARD SERIES
The Gripco Standard Series Clinch Nuts are manufactured
from low carbon steel. These nuts are designed for use with
sheet metal or similar materials where extruding and tapping
are not advisable or possible. They may be used in open or
blind applications.
Gripco Clinch Nuts are designed with a hex pilot to prevent
rotation in a hex hole. This product can be staked for floating
applications to accommodate bolt misalignment. They also
can be clinched solid providing excellent push out strength for
rigid applications.
Where flush mounting is required, a button die in combination
with a hex punch provides an embossed relief in the stamping.
These nuts can be automatically fed and clinched on
volume production lines or individually clinched with riveters,
orbital riveters, or arbor type presses.
● No markings are required on Clinch Nuts
● This product is also available with the Gripco
prevailing torque feature.
SPAENAUR No's. listed below can usually be shipped immediately from stock.
Other sizes listed are available on request. Deliver 8-10 weeks. Price on request.
CATALOG 13
Coarse Fine A B C D
Thread SPAENAUR Thread SPAENAUR Pilot Nut Pilot Nut Hexhole
Size No. Size No. Width Width Height Height in Plate
1/4-20 165-377 ▲ 1/4-28 — .429 .521 .125 .171 .437
5/16-18 165-376 ▲ 5/16-24 — .491 .584 .156 .203 .500
3/8-16 165-378 3/8-24 — .551 .670 .187 .234 .562
7/16-14 — 7/16-20 — .614 .742 .218 .265 .625
1/2-13 165-379 1/2-20 — .742 .866 .250 .296 .750
5/8-11 — 5/8-18 — .922 1.047 .312 .359 .937
▲
TOPLOCK
Clinching Force Requirements
Approx. Metal Approx. Clinching
Size Nut Thickness Force for Steel
1/4" .055 10,000 lbs.
5/16" .055 12,000 lbs.
3/8" .055 14,000 lbs.
7/16" .075 20,000 lbs.
1/2" .100 24,000 lbs.
5/8" .132 36,000 lbs.
See Price List for Unit Package Quantities.
Tel: 1-800-265-8772 Fax: 519-744-0818
C45