Jergen's Spinner-Grip™ Flange Lock Nuts
Locks to the part NOT the threads! Exceptional performance in applications with
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  ALLENUTS DIMENSIONAL DATA
ALLENUTS
 
Free application fo Allenut in
recess with mating member a
blind bolt.		 Allenut used free with Flat Head
Cap Screw in flush applications to
obtain surfaces unbroken by projections.		 Semi-flush application showing
Allenut used free in counterbored
hole with stud.		 Allenut in anchored position.
Used in non hardened steel,
cast iron, and the softer non-ferrous metals.Allenut can be pressed (or drawn by
wrenching mating member)
into surrounding meaterial
to give a strong, heat-treated thread having greatly increased load carrying capacity. Allenut can also
 be molded into plastics, ceramics, fiber, and similar materials to provide a high-strength thread.
 
ALLENUT DIMENSIONAL STANDARDS
NOM.
NUT
SIZE
B
C
D
E
F
G
MIN.
C'BORE
HOLE
SIZE*
BODY DIAMETER
LENGTH OVERALL
KNURL DIAMETER
SOCKET SIZE
THREAD LENGTH
KNURL LENGTH
MAX.
MIN.
MAX.
MIN.
MAX.
MIN.
NOM.
MIN.
MIN.
#4
.187
.183
.179
.172
.209
.205
1/8
.080
.046
.202
#5
.187
.183
.205
.198
.209
.205
1/8
.095
.056
.202
#6
.257
.253
.230
.223
.278
.274
5/32
.100
.071
.270
#8
.280
.275
.273
.266
.307
.302
3/16
.125
.084
.298
#10
.307
.302
.319
.309
.336
.331
3/16
.170
.096
.327
 
1/4
.403
.398
.419
.409
.430
.425
1/4
.225
.136
.42
5/16
.498
.493
.522
.512
.526
.521
5/16
.285
.165
.516
3/8
.590
.585
.621
.606
.620
.615
3/8
.325
.195
.610
7/16
.710
.705
.733
.718
.743
.738
7/16
.360
.235
.733
1/2
.800
.795
.836
.821
.841
.836
1/2
.445
.265
.831
 
5/8
.986
.980
1.010
.995
1.040
1.034
5/8
.500
.325
1.028
3/4
1.158
1.152
1.185
1.170
1.215
1.209
3/4
.600
.385
1.203
7/8
1.361
1.355
1.358
1.343
1.430
1.424
7/8
.700
.445
1.418
1
1.533
1.527
1.532
1.517
1.620
1.612
1
.810
.495
1.606
 


*Dimensions given indicate minimum counterbore hole size in applications where Allenut is to be pressed or drawn into non-hardened materials for anchoring purposes
  • 12-POINT (double-hex) socket has 12 driving points for easier hex key engagement.
  • Knurled surface allows for finger "spinning" to point where wrenching force is required.
  • Allenuts serve as ready-tapped holes, or to replace stripped or worn threads.
  • Available in a full range of popular sizes, UNC and UNF thread series. On request, specials can be furnished to meet your design requirements.
  • Material: heat-treated steel or austenitic stainless steel.

 
Caution: Information is for general reference only.
For more complete specifications consult the standards referenced, or contact us.