II

:,

IIIl

IIIIIIIItfIItItI

Standard SPeclf icatlotl

Materlal

Mechanical ProPerties

Strength Grade

Screw Threads

Class of Threads

Surface Treatment

SIffi=TfTtrN"ffitrHmffi HEXAGSH$T

ANSI/ ASME 818.2.1 1981

Medium Carbon Steel

ASTM

A 325 rypeJANSI / ASME 81.1 1982 UI'{C

Class 2A

Black Oxlde

tg5rfr

Unh : mqr FACEEN

lwAsllTIiICI(NESS OF

II Nom Slze dI

'nIt----I d < r,'a.

Nom. Slze

dlnln.

d, tt

Basic

7 s.1

Max. Mlrr. Max. Min. Mar. Nth.

uzx ts r3.0s 22.22 2 1.59 25.65 24 61

5/8Xll t6.30 15.36 26.99 26. l9 31.16 25.94

94Xr0 r9.50 18.5 1

21.6.1

31 .75 30.78 36.65 35.13 l 1.90

7t8X I 22.73 36 51 35.41 42.t6 d0.36 r3 89

l x8 25.96 24.75 41.27 40.0 4't 65 45 62 15.rq

t 1t8X 7 29.1 8 27.89 46.03 44.60 53.1 6 50.85 17 46

I r/4X 7 32.43 31 06 50.8 49.22 58.65 56.1 I t 9.84

1?8x I 35.66 34 I l_r 55.56 53.82 64 t6 61 36 2t.4i

23 BI1 1t2x 6 38.89 60.32 54.42 6S.6d 66 60

ll c xR

[{ax.

820

t,l in. B asic Mar.

761 ' zs.q 4.82 0.23 lo 0.79

10 23 c60 3 1.75 5.59

0.53 lo 1.57

12 ?7 I 1.56 35.05 6.35

r ,1.30

lB 2d

11,1Q 38.1 711 0.79 lo 1.57

l5 01 \44.45 7.87

1,57 lo 2.36

16 7l 50.8 8.63

20.65

?,2.3

1A 02 508 s65

20 51 57 15 rr.17

?4.7 4 22.91 57.1 5 11.17

TOLEPANCE ON E

T

tItItIIrr

lIIII

| . Tolal Thlcknsss ol mate.ial, including v/ashors, to be connocled by boll

tr,,,rrmum Grip Gmin - LG + 0.67 p' whste G -Grip

LG - GriP gaging lenglh' max.

P - Thrsad Pilch

MECHANICAL PROPERTIES OF FULL SIZE BOLTS

Slross AfeaSq: nrm. i

I

r 4 5.81

215.48

298.1

lula:irnum Grip Grnax

whsre Gc

Q ,o,H

wtol

. q-a .-H-2vJlot lot- crip- Boll Length. nominal

- Boh Longth Tolsranc€. minus

- Nul Thicknsss

= Wshet Thicknoss T016ranc€

{max. - min.}

Mln. YleldLoadksl

l.lin, l'rool' Loadkst

0.606

0.763

0.969

1.405

Sl.ess AIe, = 0.7854 I d - (0,9743in) lr

625.16

7d5 16

391 .0

492.26

906.4 5

n = Tlrrerds Dcr in.ll

51620

!lin. Prool Strosspsi {kgl/rilr')

BrinBll Hardnsss.HBnln. mi

?18

GRIF NANGES FOR IIIG}J STRETIG1II STRUCTURAL BOLTS

Nom, giz?

dxn In.r/a x r3 6/SXlt 94xlo 7t8 x9 I x8 I t/6 X7 I tt.t X7 r3/sx6 I t/ex8

Nom. Lenglhln. . Q mm.

GRIP RANGE LG mm

Min, Max. Mln. Max Mln, Max. Mln. Ma(. Mln. Mil. Mln. Max. Mln. Ma, Mln. Mar. Min. Mar.

I lt,3t.75

11t2 '.' 38.113.9 20.o

1 7t4,

" 41.520.3 26.4

2.050.8

26.6 32.7 20.5 289 t7.5 23.8

21t467.1 6

33.0 39. I 26.5 353 23.8 30.2 20.8

2 ll263.5

39.3 45.4 41 6 30.2 Jb_5 27,1 3{,0

231469.S5

45.7 5 t.8 39.6 48.0 36.5 42.9 33,5 40..3 27.4) .:p3.0

78-2 52.0 58.1 45.9 543 n29 A9.2 39.8 46.7 33.1, d3 Er 27.9 38.8 27.9 360

311288.9

u.7 70,8 58.6 67 0 s5.6 61.9 52.5 59.4 464 563 40 6 51 5 40.6 48.1 3.5 45.4 3.r.5 42.t

4101.6

7-t 4 83.5 713 79 7 68.3 65.2 72 5sl 69.0 5r I 53 3 61 .4 47.2 58 1 47 .2 5.1.B

4112' 114.990. I s62 440 92 4 B r.0 87.3 71 I 84 .8 71 .8 8t 7 660 769 66.O 708 59.9 67.5

r27r 02.8 108.9 s67 r05 I 937 100.o 90.6 s 7.5 845 9n .l 7B u96 7A7 868 72.6 83.5 72.6 80.2

51t2rs9.7

I 15.5 121 6 r09..1 r!7 B 106.4 112 7 r03.3 ilo 2 91.?- 107 914 102.3 91.d 99.5F

853 96.2 853 92.9

6152.4

129.2 I 34.3 122.1 r 30.5 l lg 1 125 4 I 16.0 1?2.9 r 09.9 r r9.B rclt. I r 15 0 10.1 I 12.2 98.0 ro8 s 105.6

LOADS TABULATED ABOVE ARE BASED OT.J

Min. Yisld Slresspsl (kgl/mm')

l'lln. Tensil€ Slresspsi (kgfrnm?)

l/2lo I | 1200m

t 1/8 lo I l/2 I l050c0

RANGE OF BOLTS

I

(52.0:D