质量 INFASCO PART#67013 合金钢杯头内六角螺丝 价格 阿曼达供
型号：PART#67013（多种型号可供选择）
Zinc-Plated Alloy Steel Socket Head Screw
1/4"-28 Thread Size, 1/4" Long
镀锌合金钢内六角螺钉
1/4“-28螺纹尺寸，1/4”长
Head Type: Socket
Socket Head Profile: Standard
Drive Style: Hex
System of Measurement: Inch
Thread Direction: Right Hand
Thread Size: 1/4"-28
Screw Size Decimal Equivalent: 0.25"
Thread Type: UNF
Thread Fit: Class 3A
Length :1/4"
Threading: Fully Threaded
Thread Spacing: Fine
Head
Diameter: 3/8"
Height :1/4"
Drive Size: 3/16"
Material: Zinc-Plated Alloy Steel
Tensile Strength: 170,000 psi
Hardness: Rockwell C37
Specifications Met: ASTM A574
RoHS: Compliant
头型：插座
插座头部轮廓：标准
驱动方式：十六进制
测量系统：英寸
螺纹方向：右手
螺纹尺寸：1/4“-28
螺丝尺寸十进制等效：0.25“
线程类型：UNF
螺纹配合：3A级
长度：1/4"
线程：完全线程化
螺纹间距：很好
头
直径：3/8"
身高：1/4"
驱动器尺寸：3/16“
材质：镀锌合金钢
抗拉强度：170,000 psi
硬度：罗克韦尔C37
符合规格：ASTM A574
RoHS指令：符合
With a tensile strength of 170,000 psi, these alloy steel screws are stronger than Grade 8 steel screws. Length is measured from under the head.
Zinc-plated steel screws resist corrosion in wet environments. Fine and extra-fine threads are closely spaced to prevent loosening from vibration; the finer the thread, the better the resistance. They are not compatible with coarse threads.
Screws that meet ASTM A574, ASTM A574M, and ISO 898-1 comply with specifications and testing requirements for material quality.
这些合金钢螺钉的抗拉强度为170,000 psi，比8级钢螺钉更坚固。 长度从头部下方测量。
镀锌钢螺钉可抵抗潮湿环境中的腐蚀。 精细和超细螺纹紧密间隔，以防止振动松动; 螺纹越细，阻力越大。 它们与粗线程不兼容。
符合ASTM A574，ASTM A574M和ISO 898-1的螺钉符合材料质量的规格和测试要求。
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