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Catalogo Prodotti mecBolt - MecBolt SpA

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ISO UNI DIN<br />

86<br />

Indice precedente<br />

Viti a testa cilindrica con esagono incassato<br />

Filettatura UNC<br />

Hexagon socket head screws - UNC thread<br />

Tutte le dimensioni sono in decimali o frazione di pollice<br />

Filettatura d in pollici 1/4 5/16 3/8 7/16 1/2 5/8 3/4 1’’<br />

d1<br />

max<br />

min<br />

0,2500<br />

0,2464<br />

0,3125<br />

0,3084<br />

0,3750<br />

0,3705<br />

0,4375<br />

0,4236<br />

0,5000<br />

0,4948<br />

0,6250<br />

0,6191<br />

0,7500<br />

0,7436<br />

1,000<br />

0,9924<br />

D<br />

max<br />

min<br />

0,375<br />

0,367<br />

0,437<br />

0,429<br />

0,562<br />

0,553<br />

0,625<br />

0,615<br />

0,750<br />

0,739<br />

0,875<br />

0,863<br />

1,000<br />

0,987<br />

1,312<br />

1,297<br />

k<br />

max<br />

min<br />

0,250<br />

0,244<br />

0,312<br />

0,306<br />

0,375<br />

0,368<br />

0,437<br />

0,430<br />

0,500<br />

0,492<br />

0,625<br />

0,616<br />

0,750<br />

0,741<br />

1,000<br />

0,989<br />

s per chiave 3/16 7/32 5/16 5/16 3/8 1/2 9/16 5/8<br />

t min 0,120 0,151 0,182 0,213 0,245 0,307 0,370 0,495<br />

Passo filetti per pollice 20 18 16 14 13 11 10 8<br />

b 1’’ 1’’ 1/8 1’’ 1/4 1’’ 3/8 1’’ 1/2 1’’ 3/4 2’’ 2’’ 1/2<br />

Lunghezza<br />

L<br />

in pollici<br />

Massa x 1000 pz = Kg<br />

3/8 4,10 9,80<br />

7/16 4,50 10,10<br />

1/2 4,90 10,50 16,20 27,30<br />

5/8 5,40 11,80 18,00 28,00<br />

3/4 6,20 12,40 19,35 24,42 29,80<br />

7/8 6,80 13,50 21,15 25,85 32,20<br />

1’’ 7,50 14,80 22,95 28,05 34,30 73,00<br />

1’’ 1/4 9,00 17,00 26,25 30,80 38,50 79,50 132,05<br />

1’’ 1/2 10,00 19,80 30,15 36,85 43,30 92,80 151,62<br />

1’’ 3/4 11,60 22,70 33,21 40,59 51,00 99,50 162,73<br />

2’’ 12,70 24,40 36,00 44,00 55,00 106,00 171,00 305,02<br />

2’’ 1/4 13,70 27,00 38,70 47,30 60,00 116,00 180,78 327,75<br />

2’’ 1/2 15,00 30,00 44,00 53,90 68,40 130,30 204,48 364,14<br />

2’’ 3/4 17,00 32,40 46,80 57,20 72,80 139,00 218,50 382,51<br />

3’’ 18,00 44,40 49,50 60,50 77,20 146,70 230,09 401,94<br />

3’’ 1/4 19,50 46,40 52,20 63,80 81,50 154,20 241,68 421,36<br />

3’’ 1/2 21,00 49,50 57,60 70,40 90,20 171,50 264,86 457,27<br />

4’’ 23,60 55,50 63,00 77,00 100,00 185,00 288,32 494,55<br />

4’’ 1/2 68,80 107,50 201,00 311,60 531,82<br />

5’’ 76,50 120,30 219,70 342,00 579,28<br />

5’’ 1/2 83,50 133,70 245,70 378,10 636,82<br />

6’’ 90,00 143,80 262,80 406,60 674,10<br />

6’’ 1/2 152,40 287,15 422,75 710,85<br />

7’’ 169,00 335,85 469,30 771,75<br />

8’’ 186,80 384,55 516,80 843,15<br />

- Classe di resistenza: secondo UNI 3740 Parte 3 a .<br />

- Collaudo: secondo UNI 3740 Parte 8 a .<br />

ANSI B 18.2.1 - 65

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