Engtin nge kan mamawh fasteners product hi dik takin kan sawifiah ang?
Nov 18, 2022
Fastener sawina atana mark tur parameter te chu standard, specification, material, strength grade, leh surface treatment te an ni. Chutiang bawkinDIN912 a ni a., M4-0.7x8, SCM435, Class 12.9, dum.
1. Standard .
Bolt product, DIN 931 ang chi kan hmuh hian a hmingin kan ti tlangpui a: Hexagon Head Bolt, mahse hei hi hming dik lo a ni a, a chhan chu ANSI/ASME B18.2.1 pawh chutiang chuan koh theih a ni. Mahse, standard pahnih inkarah hian danglamna tam tak a awm. Chutiang hunah chuan standard chu direct-a koh chu a dik ber a ni.
Tunah hian khawvela tehfung nghawng nei lian ber chu German Standard (DIN), International Standard (ISO), China National Standard (GB), American Standard (ANSI), leh Japanese Standard (JIS) te an ni.
2. Specifications 1.1.
A tlangpuiin screw hming chu ha pattern diameter * screw sei zawng a ni. ha pattern hming diameter, metric system-a hman tlanglawn: M2, M3, M4, M5, M6, M8, M10, M12, etc.; American system-a hman tlanglawn: 4#-40, 6#-32, 8#-32, 10#- 24, 1/4-20, 5/16-18, 3/8-16, 1/2-13, etc. Screw sei zawng hian emedded object sei zawng a kawk a ni. Entirnan, countersunk head screw a part zawng zawng chu a sei zawng zawngah embedded a ni a, half countersunk head screw chuan lu sei zawng chanve a dah tur a ni a, cylinder head screw sei zawng hian head size a huam lo. Chutiang chu: Specifications atan chuan a hming pum hi tooth spacing add nan a tha ber. Entirnan, M4-0.7x8-ah chuan pawn lam diameter chu kut zungtang 4 a ni a, 0.7 chuan peak pahnih inkar hlat zawng chu 0.7mm a ni a, thil loaded-a kut zungtang 8 embedded chu 8mm a ni tihna a ni.
A awlsam zawk nan ha spacing kan ziak lo va, standard tooth-ah kan default a, a chhan chu a tam ber avangin, chuvangin mark a ngai lo. Hei hi metric system-ah chauh a ni a, American-thil siam chhuah siamte chuan ha pitch mark an la mamawh a, chu chu 6#-32*3/8, 6# chu ha pawn lam diameter a ni a, chu chu 3.5mm vel a ni 32 tih hian thread sei zawng inch khatah ha 32 a awm tihna a ni ( metric screw-a pitch nen a inang); 3/8 chu screw sei zawng (a bik takin metric screw nen a inang) a ni.
Hetah hian hriat reng tur formula 2 a awm a, chungte chu ha pawn lam diameter A#=(Ax0.013+0.06)x25.4(mm), 1 inch=25.4mm a ni. Chung zingah chuan 2#{{8}MM, 4#=2.9M, 6#{{12}MM, 8#4.2mm, leh 10#=4.8M te hi data memorize ngei ngei tur an ni. Specification tina screw nena inmil ha zat pawh hriat reng a ngai a ni: 2#-56, 4#-40, 6#-32, 8#-32, 10#-24, 1/4-20, 5/16-18, 3/8-16, 1/2-13 (American standard teeth). (Hriat tur: American UNC teeth hi standard teeth a ni a, UNF hi ha tha tak a ni bawk. Coarse teeth chu standard teeth angin kan default a ni.)
3. Thil hman tur .
Fastener materials hi a awm dan tlangpui a ni a: carbon steel, stainless steel, stainless iron, copper, aluminum, etc. Aya thil siam chhuah te hi carbon steel leh stainless steel a ni ber. Carbon steel hi carbon hniam steel (eg: C1008/ C1010/ C1015/ C1022), carbon steel lian lo (eg: C1035), high carbon steel (eg: C1045/C1050), alloy steel (eg: SCM435/10B21) /40CR tiin a then belh leh a ni. A tlangpuiin C1008 material hi grade ordinary product siam nan hman a ni a, chu chu grade 4.8 bolt ang chi a ni a; C1015 hi eye bolt siam nan hman a ni a; C1018 hi a tlangpuiin machine screw atan hman a ni a, a dik e, self-tapping screw atan pawh hman a ni bawk; C1022 hi a tlangpuiin self-tapping screw atan hman a ni a; C1035 hian 8.8-grade screw siam la; C1045/ 10B21/ 40CR hian 10.9-grade screw siam la; 40CR/ SCM435 12.9-grade screw siam rawh. Stainless steel hian SS302/SS304/SS316 a nei tam ber a ni.
4. chakna grade .
Strength grade tih hian carbon steel fastener a kawk ber a ni. Carbon steel bolt leh carbon steel screw te hi an chakna grade tlangpui chu 4.8, 5.8, 6.8, 8.8, 10.9, leh 12.9 te an ni. Nuts te hi an inmil a ni: grade 4, grade 6, grade 8, grade 10, leh grade 12 te an ni a, a tlangpuiin grade 8.8 hnuai lam bolt te chu ordinary bolts an ti a, grade 8.8 aia sang (grade 8.8 te pawh tel) te chu an sang-strength bolts. A danglamna chu high-strength bolt zawng zawng hian quenching leh tempering heat treatment an neih a ngai a ni.
5. Lei chung lam enkawlna .
Fastener-te surface treatment chu anti-corrosion performance tihpunna tur a ni ber a, ṭhenkhat chuan a rawng pawh an ngaihtuah tel bawk a, chuvangin carbon steel products hian a tlangpuiin surface treatment a mamawh a ni. Surface common treatment te chu blackening, zinc plating, copper plating, nickel plating, chrome plating, silver plating, gold plating, dacromet, hot dip galvanizing, etc. Galvanizing chi hrang hrang a awm a, chung zingah chuan blue leh white zinc, blue zinc, yellow Zinc, green Zinc, green Zinc, etc. te pawh a ni. Non-Environmental protection, leh a coating chu a thuk emaw a te emaw a ni a, chu chuan salt spray test effect hrang hrang a tawk thei a ni.
Aya fastener te chu .China rama fastener siamtu leh supplier lar ber pawl a ni a, assembly leh fastening materials kan ngaih pawimawh ber a, global customer-te chu kum 20 chhunga high-quality screw, bolt, washers, leh nuts products te kan supply a ni.
Aya hian fastener industry-ah hian -rilru leh inpekna rilru khat neiin a inrawlh nasa hle a, kan customer-te hnena industry tam zawk-specific, professional, standardized, leh precise fastener solutions pekna kawngah a inpe a ni. Thu belhchian dawl zawk i duh chuan Aya Fasteners hnenah a chipchiar zawngin zawhfiah theih a ni.
