A4-832-1

Floating Self-Clinching Fasteners A4, AS, AC

A4-832-1

Floating Self-Clinching Fasteners A4, AS, AC

Locking and Non-locking Threads These fasteners provide load-bearing threads in thin sheets and permit up to .030” adjustment for mating hole misalignment.

The self-clinching feature offers fast and simple assembly. The fasteners are squeezed into prepared holes using any standard press. The sheet remains flush on one side, and the fastener is permanently locked in place.

Extra strength and support in assembly is obtained by the threads of the floating nut extending fully into the retainer shank (a unique PEM feature). A self-locking version of the fastener is also offered. Thread locking torque performance is equivalent to applicable NASM25027 specifications.

Non-locking Type A4 and self-locking Type LA4 fasteners provide load-bearing threads in stainless steel sheets as thin as .038” with hardness up to HRB 88 on the Rockwell “B” scale.

Many PEM Type AS and AC self-clinching floating fasteners correspond to sizes in US NASM45938/11 specifications. Check our web site for a complete Military Specification and National Aerospace Standards Reference Guide (Bulletin NASM).

规格

Thread Code
832
螺纹尺寸
#8-32
螺纹规格
2B, ANSI B1.1, 内部
Shank Code
1
紧固件材质
400系列不锈钢
Fastener Materials – Nut
300 Series Stainless Steel
Fastener Materials – Retainer
400 Series Stainless Steel
Standard Finish – Retainer & Nut
Passivated and/or tested per ASTM A380
For Use in Sheet Hardness
HRB 88 / HB 183 or Less
Float
.015” minimum, in all directions from center, .030” total
Product Category
Floating Self-Clinching Fasteners A4, AS, AC
CAD Supplier
PennEngineering® (PEM®)
CADPartID
103680
螺纹类型
Non-Locking
应用类型
工业, 制造业 & 金属板制造
底板材质
不锈钢
品牌
PEM
紧固件特点
浮动式 , 非锁紧
行业
制造业 & 金属板制造
安装设备/方法
C型架自动送料, C型架手动送料
PEM产品系列
ALA, SS
产品类型
螺母
技术类型
自扣紧
单位(公制/英制)
英制
最大柄长
0.038in
E ± .015_in
.440in
Hole Size in Sheet + .003 – .000_in
.368in
Min. Dist. Hole C/L to Edge_in
.34in
Min. Sheet Thickness_in
.038in
C Max._in
.367in
D Max._in
.365in
T1 Max._in
.130in

资源

安装&性能数据

ala-a4-la4-unified
TYPE THREAD CODE TEST SHEET MATERIAL INSTALLATION (lbs.) RETAINER PUSHOUT (lbs.) RETAINER TORQUE-OUT (in. lbs.)
A4, LA4 832 300 Series Stainless Steel 12000 200 85
ss-a4-la4-nuts-unified
TYPE THREAD CODE TEST SHEET MATERIAL INSTALLATION (lbs.) RETAINER PUSHOUT (lbs.) RETAINER TORQUE-OUT (in. lbs.)
A4, LA4 832 300 Series Stainless Steel 12000 200 85

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