A-S Logo A-S Stud

The A-S Series™ functions in the same way as the A-L Series™ but has the added feature of a protruding stud.

A-S Series™ Stud Threaded Insert

The A-S Series™ Stud Threaded Insert offers a unique design advantage in that once installed, a threaded stud is left protruding from the workpiece. Component parts can be located on the stud until final assembly is accomplished with a mating nut. The A-S Stud Insert is an ideal alternative to clinch or weld studs. The A-S Insert is designed to be used with Grade 5 or Metric Class 8.8/9.8 non thread locking type nuts.

The A-S Series™ Stud Threaded Insert is installed using AVK’s ARO brand Pneumatic Tools or AVK’s SPP™ Pneumatic/Hydraulic Tools. These tools can be located at any position on your assembly line. The A-S Stud can be installed either before or after finish.

The A-S Series™ Stud - Design Benefits

PROTRUDING STUD allows component parts to be located on the stud until final assembly is accomplished with a mating nut.
EXCEPTIONAL TORQUE STRENGTH is achieved as the stud’s knurled body expands FILLING THE HOLE.
QUALITY INSTALLATIONS even in variable thickness materials are assured by AVK’s spin/spin ARO Pneumatic Tools or AVK’s SPP™ Pneumatic/Hydraulic Tools.
ELIMINATE PAINT MASKING procedures as required with weld or clinch studs. The A-S Series Stud can be installed after painting.
SUPERIOR CORROSION RESISTANCE is provided by our standard zinc/yellow dichromate finish (96 hrs. salt spray to white corrosion). Alternative finishes are available.
AVAILABLE in Steel 1010/1008 shell - Steel 1038 threaded stud.

 

SPINWALL TECHNOLOGY™
HOW HOLE FILL WORKS FOR YOU
As the A-S Series™ is installed, the knurled body expands 360° FILLING THE HOLE. This feature provides exceptional torque strength and vibration resistance. The installation tool then continues to install the stud forming a backside flange even in variable thickness material —WITHOUT ADJUSTMENT.

The A-S Series™ Stud - Installation Steps & Video

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Step 1
The operator 1/4 turns the AVK fastener on to the tool mandrel and places it into the hole. He then presses the top trigger on the tool and the AVK part installs.

Step 2
Once hole fill is complete the AVK fastener forms its backside flange behind the parent material and the tool stalls.

Step 3
The operator reverses the tool and proceeds to attach the mating component using the appropriate mating hardware. The entire installation sequence of the AVK fastener takes 3 seconds or less.

Notes:
In this demo video the operator is installing the AVK fastener into two different material thickness’. This is the key benefit of the AVK System. You are able to install our products into single, variable or multiple thickness materials without tool adjustment.

During installation the AVK fastener expands within the hole Filling The Hole. This assures excellent spin out resistance and is a feature unique to AVK fasteners.

AVK fasteners are designed to be installed right on your assembly line either before or after paint or finish is applied to your product. This saves space and improves process flow.

The A-S Series™ Stud - Various Design Types

A-S Sealed Head part A-S Wedge Head part A-S Hex Body part A-S Dog Point part
SEALED HEAD

A PVC foam seal is bonded to the underside of the head and when installed provides a weathertight seal. Contact AVK for a sales drawing.

WEDGE HEAD

The addition of wedges under the head provides even greater torque capability, especially in soft or thin materials, and is excellent for electrical grounding applications.

HEX BODY

The hex shell offers exceptional resistance to spinning once installed. Also available in full body hex version.

DOG POINT

An optional Dog-Point provides ease in installing mating hardware and reduces the possibility of cross-threading. AVK offers Dog-Points in a variety of configurations.

The A-S Series™ Stud - Part Numbering System

AS (    ) (    ) - (    ) - (    ) - (    ) (    )
Material
Finish
Type
Product
Series
Call
Out
Grade
S Steel Shell 1010/1008
Steel Stud 1038
Other Materials Available Upon Request
Call
Out
Specification
3T Zinc Trivalent per ASTM-B-633, FE/ZN .0003 (8μ) with Clear Protective Coating
4T Yellow Zinc Trivalent per ASTM-B-633, FE/ZN .0003 (8μ) with Clear Protective Coating
9T Tin Zinc Trivalent per ESP-P-004 .0003 (8μ) with Clear Protective Coating
Thread
Call Out
Grip
Call Out
Stud
Length
Call Out
Call
Out
Type
blank Standard
* By Special Order
S Sealed Head
W Wedge Head
H Hex Body
DP Dog Point
Sample Part Number:
ASS3T-420-165-625
* Special order items are subject to minimum order requirements. Contact AVK for details.

The A-S Series™ Stud - Thread Sizes

* NOTE: The ISL Dimension shown below is the height of the installed stud at max grip. The height of the stud will increase if it is installed into thinner material. To calculate actual ISL use this formula: Max grip - actual grip + ISL = Actual ISL

Thread Specifications:
Unified - 2A/21 per ASME B1.1
Metic - 6G/21 per ASME B1.13M


Unified (Inch) and Metric Thread Sizes
Thread
Size
Thread
Call Out
Grip
Range
Grip
Call Out
Stud Lengths Hole Size
+.006
-.000
HD
±.010
±0.25*
HH
±.003
L
±.020
D
Max.
IL
Max.
ISL
Call Out
ISL
Call Out
ISL
Call Out
6-32 UNC 632 .020-.080 80 .500
500
.625
625
.750
750
17/64 (.2656) .390 .030 .485 .265 .360
6-32 UNC 632 .080-.130 130 .450
450
.575
575
.700
700
17/64 (.2656) .390 .030 .535 .265 .360
8-32 UNC 832 .020-.080 80 .500
500
.625
625
.750
750
17/64 (.2656) .390 .030 .485 .265 .360
8-32 UNC 832 .080-.130 130 .450
450
.575
575
.700
700
17/64 (.2656) .390 .030 .535 .265 .360
10-24 UNC 1024 .020-.130 130 .500
500
.625
625
.750
750
19/64 (.2969) .415 .030 .545 .296 .380
10-24 UNC 1024 .130-.225 225 .405
405
.530
530
.655
655
19/64 (.2969) .415 .030 .655 .296 .380
10-32 UNF 1032 .020-.130 130 .500
500
.625
625
.750
750
19/64 (.2969) .415 .030 .545 .296 .380
10-32 UNF 1032 .130-.225 225 .405
405
.530
530
.655
655
19/64 (.2969) .415 .030 .655 .296 .380
1/4-20 UNC 420 .027-.165 165 .625
625
.8125
8125
1.000
1000
25/64 (.3906) .500 .030 .670 .390 .465
1/4-20 UNC 420 .165-.260 260 .530
530
.7175
7175
.905
905
25/64 (.3906) .500 .030 .770 .390 .465
5/16-18 UNC 518 .027-.150 150 .625
625
.875
875
1.125
1125
17/32 (.5312) .685* .035 .810 .530 .600
5/16-18 UNC 518 .150-.312 312 .463
463
.713
713
.963
963
17/32 (.5312) .685* .035 .925 .530 .555
3/8-16 UNC 616 .027-.150 150 .750
750
1.000
1000
1.250
1250
17/32 (.5312) .685* .035 .810 .530 .600
3/8-16 UNC 616 .150-.312 312 .588
588
.838
838
1.088
1088
17/32 (.5312) .685* .035 .925 .530 .535
 
Thread
Size
Thread
Call Out
Grip
Range
Grip
Call Out
Stud Lengths Hole Size
+0,15
-0,00
HD
±0,25
±0,64*
HH
±0,08
L
±0,50
D
Max.
IL
Max.
ISL
Call Out
ISL
Call Out
ISL
Call Out
M4x0,7 ISO 470 0,50-2,00 2.0 12,0
12
15,0
15
20,0
20
6,75 9,91 0,76 12,32 6,73 9,15
M4x0,7 ISO 470 2,00-3,30 3.3 10,7
10.7
13,7
13.7
18,7
18.7
6,75 9,91 0,76 13,59 6,73 9,15
M5x0,8 ISO 580 0,50-3,30 3.3 12,0
12
15,0
15
20,0
20
7,60 10,54 0,76 13,84 7,52 9,65
M5x0,8 ISO 580 3,30-5,70 5.7 9,6
9.6
12,6
12.6
17,6
17.6
7,60 10,54 0,76 16,64 7,52 9,65
M6x1,0 ISO 610 0,70-4,20 4.2 15,0
15
20,0
20
25,0
25
10,00 12,70 0,76 17,02 9,91 11,81
M6x1,0 ISO 610 4,20-6,60 6.6 12,6
12.6
17,6
17.6
22,6
22.6
10,00 12,70 0,76 19,56 9,91 11,81
M8x1,25 ISO 8125 0,70-3,8 3.8 16,0
16
22,0
22
28,0
28
13,50 17,40* 0,89 20,57 13,46 15,24
M8x1,25 ISO 8125 3,8-7,90 7.9 11,9
11,9
17,9
17,9
23,9
23,9
13,50 17,40* 0,89 23,50 13,46 14,10
M10x1,5 ISO 1015 0,70-3,8 3.8 20,0
20
25,0
25
30,0
30
13,50 17,40* 0,89 20,57 13,46 15,24
M10x1,5 ISO 1015 3,8-7,90 7.9 15,9
15,9
20,9
20,9
25,9
25,9
13,50 17,40* 0,89 23,50 13,46 13,60

NOTE 1: Grip range can be affected by parent material density and actual hole size. AVK suggests trial installations to determine optimum grip.
NOTE 2: Additional UNF fine threads are available. Contact AVK for details.
* Dimensions in maximum grip condition.
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