Thursday, November 13, 2025
SMALLEY® SPIRAL RETAINING RINGS
SAE 1070-90 Carbon Steel

surface treatment:
Oil dipped

Example of designation: HHMU-10


d1=shaft diameter
d2=groove diameter
d3=internal ring diameter
S=thickness
HHMU - for bores without removing ear

description Price
Euro x100
% Price Change
1 2
Package
HHMU-28 49,00
+ 20% -
250


DESCRIPTION
HHMU-28
d1 mm 28.00 

RING IN THE UNSTRESSED STATE
d3  
mm 29.32 
Toll. d3  
mm +0,51 
b  
mm 0.76 
Toll. b  
mm +/-0,05 
s  
mm 3.00 
Toll. s  
mm +/-0,10 
Weight Kg/1000 1.70 
GROOVE
d2  
mm 28.76 
Toll. d2  
mm +/-0,10 
c  
mm 3.12 
Toll. c  
mm +0,100 
THRUST CAPACITY
groove yeld
Newtons 5.199 
(based on a groove material yeld strength of 310/mm and a safety factor of 2)

Technical informations are indicative and can be updated.
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GANDINI FASTENERS SRL viale Pier Paolo Pasolini, 83 - 20099 Sesto S.Giovanni Milano Italy
Tel. +39 02 241 047 250 Fax +39 02 241 047 74

Production and distribution
of fasteners, fixing elements
and mechanical parts machining


GANDINI FASTENERS SRL
viale Pier Paolo Pasolini, 83
Sesto San Giovanni Mi - Italy
Sales department
250@gandini.it
tel +39 02 241 047 250
Administration
350@gandini.it
tel +39 02 241 047 350