Cylinder Screw DIN 912 - M 20 x 250 mm - Steel 12.9 blank

Cylinder Screw DIN 912 - M 20 x 250 mm - Steel 12.9 blank

SKU: 912 12.9 20 250
Category: Cylinder head

Length

23,07 £

incl. 19% VAT , plus

From	Unit price / pcs
5	19,37 £*
10	12,45 £*
25	11,54 £*
100	9,23 £*

Delivery time:
8 pieces in express stock:
1 - 3 Workdays (Mo.-Fr.)
70 pieces in stock:
3 - 5 Workdays (Mo.-Fr.)

pcs

Description
Standard

Cylinder Screw with hexagon socket

Standard: DIN 912

Dimension: M 20 x 250

Material: Steel

Strength class: 12.9

Also known as:

Cylinder head screw, Cylinder Screw, cap screw, cheese-head screw, socket head screw, allen screw, compare ISO 4762

(The article photos are examples and reflect the shape and color. Dimensions and material may different. The article description applies. Depending on the batch, the screws can have a shaft. If screws with shaft are required, please contact us and we will check our stock. In the case of fine-thread parts, the pitch is always specified, so it is part of the description. If the thread pitch is not specified, it is a standard thread.)

Diameter:	M 20
Length:	250 mm
Material:	steel
Standard:	DIN 912
Surface:	blank
Quality/Grade:	12.9
Item weight:	0,67 kg

Cylinder head screw

ISO 4762 in accordance with DIN 912

Cylinder screw with hexagon socket

(available in fine thread and regular thread version (for fine thread thepitch is stated for regular thread not))

This screw is also known as:
Cap screw, Cylinder head screw, Hexagon socket-screw

Dimension (Drawing see above) :

Measure	M1,4	M1,6	M2	M2.5	M3	M4	M5	M6	M8	M10	M12	M14	M16	M18	M20	M22	M24	M27	M30	M33	M36	M39	M42	M45	M48	M52*	M56	M64	M72
d_k	2,6	3	3,8	4,5	5,5	7	8,5	10	13	16	18	21	24	27	30	33	36	40	45	50	54	58	63	68	72	78	84	96	108
k	1,4	1,6	2	2,5	3	4	5	6	8	10	12	14	16	18	20	22	24	27	30	33	36	39	42	45	48	52	56	64	72
s	1,3	1,5	1,5	2	2,5	3	4	5	6	8	10	12	14	14	17	17	19	19	22	24	27	27	32	36	36	36	41	46	55
b	14	15	16	17	18	20	22	24	28	32	36	40	44	48	52	56	60	66	72	78	84	90	96	102	108	116	124	140	156

b = max length of thread
s = wrench size
k = height of head

*Dimension not standardized

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