Countersunk Bolts/Screws

Grade : 8.8, 12.9, A2-70 (SS304), A4-70 (SS316)

Size Range M4-M20

Finishing PHOSPHATED BLACK, ZINC PLATED

IOS IS0 10642

IS IS 6761

Countersunk Bolts/Screws

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ALLOY STEEL, STAINLESS STEEL

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din-931

HEXAGON BOLTS

DIN 931 / ISO 4014

Steel Grades: 4.6, 8.8, 10.9

Finish: Self, Black, Bright Zinc, Hot Dip Galvanized

Dimensions

Nom. Dia. (d)		M 6	M 8	M 10	M 12	(M 14)	M 16	(M 18)	M 20
Thread Pitch		1.0	1.3	1.5	1.8	2.0	2.0	2.5	2.5
Thread Length (b)	L < 125mm	18	22	26	30	34	38	42	46
	125-200mm	24	28	32	36	40	44	48	52
	L > 200mm	–	–	45	49	53	57	61	65
Washer Face	Min.	0.15	0.15	0.15	0.15	0.15	0.20	0.20	0.20
Washer Face	Max.	0.50	0.60	0.60	0.60	0.60	0.80	0.80	0.80
K	Nominal	4.00	5.30	6.40	7.50	8.80	10.00	11.50	12.50
	Min.	3.85	5.15	6.22	7.32	8.62	9.82	11.28	12.28
	Max.	4.15	5.45	6.58	7.68	8.98	10.18	11.72	12.72
s	Max.	10	13	17	19	22	24	27	30
s	Min.	9.78	12.73	16.73	18.67	21.67	23.67	26.67	29.67
L		WEIGHT IN KG/1000 PCS
30		8.06
35		9.13	18.20
40		10.20	20.30	35.00
45		11.30	22.20	38.00	53.60
50		12.30	24.20	41.10	58.10	82.00
55		13.40	25.80	43.80	62.60	88.10	115.00
60		14.40	27.80	46.90	67.00	94.10	123.00
65			29.80	50.00	70.30	98.80	131.00	171.00	219.00
70			31.80	53.10	74.70	105.00	139.00	181.00	231.00
75			33.70	56.20	79.10	111.00	147.00	191.00	243.00
80			35.70	59.30	83.60	117.00	155.00	200.00	255.00
85				62.40	88.10	123.00	163.00	210.00	267.00
90				65.50	92.40	127.00	171.00	220.00	279.00
95				68.60	96.80	133.00	179.00	230.00	291.00
100				71.70	101.00	139.00	186.00	240.00	303.00
110					109.00	151.00	202.00	260.00	327.00
120					118.00	164.00	218.00	280.00	351.00
130						174.00	230.00	296.00	374.00
140						185.00	246.00	316.00	398.00
150							262.00	336.00	422.00
160							278.00	356.00	446.00
170								376.00	470.00
180								396.00	494.00
190									519.00
200									544.00

Nom. Dia. (d)		(M 22)	M 24	(M 27)	M 30	(M 33)	M 36	(M 39)	M 42
Thread Pitch		2.5	3.0	3.0	3.5	3.5	4.0	4.0	4.5
Thread Length (b)	L < 125mm	50	54	60	66	72	78	84	90
	125-200mm	56	60	66	72	78	84	90	96
	L > 200mm	69	73	79	85	91	97	103	109
Washer Face	Min.	0.20	0.20	0.20	0.20	0.20	0.20	0.30	0.30
Washer Face	Max.	0.80	0.80	0.80	0.80	0.80	0.80	1.00	1.00
K	Nominal	14.0	15.0	17.0	18.7	21.0	22.5	25.0	26.0
	Min.	13.78	14.78	16.65	18.28	20.58	22.08	24.58	25.58
	Max.	14.22	15.22	17.35	19.12	21.42	22.92	25.42	26.42
s	Max.	32	36	41	46	50	55	56	60
s	Min.	31.61	35.38	40	45	49	53.8	58.8	63.8
L		WEIGHT IN KG/1000 PCS
70		281.00
75		296.00
80		311.00	392.00
85		326.00	410.00
90		341.00	428.00	557.00	712.00
95		356.00	446.00	580.00	739.00
100		370.00	464.00	603.00	767.00	951.0
110		400.00	500.00	650.00	823.00	1020.0	1240.0
120		430.00	535.00	695.00	880.00	1090.0	1320.0	1510.0
130		450.00	560.00	720.00	920.00	1150.0	1390.0	1580.0	1980.0
140		480.00	595.00	765.00	975.00	1220.0	1470.0	1660.0	2090.0
150		510.00	630.00	810.00	1030.0	1290.0	1550.0	1740.0	2200.0
160		540.00	665.00	855.00	1085.0	1350.0	1630.0	1830.0	2310.0
170		570.00	700.00	900.00	1140.0	1410.0	1710.0	1920.0	2410.0
180		600.00	735.00	945.00	1200.0	1480.0	1790.0	2010.0	2520.0
190		630.00	770.00	990.00	1250.0	1540.0	1870.0	2100.0	2630.0
200		660.00	805.00	1030.00	1310.0	1610.0	1950.0	2200.0	2740.0
220		720.00	870.00	1130.00	1420.0	1750.0	2210.0	2410.0	2960.0
240			935.00	1220.00	1530.0	1880.0	2270.0	2600.0	3180.0
260				1310.00	1640.0	2020.0	2430.0	2800.0	3400.0
280					1750.0	2150.0	2590.0	3010.0	3520.0
300					1860.0	2290.0	2750.0	3210.0	3640.0