China New Delivery for M12 X 120mm Bolt - DIN603 Round Head Square Neck Carriage Bolt Carbon Steel Grade 8.8 Black – Hongji manufacturers and suppliers

New Delivery for M12 X 120mm Bolt - DIN603 Round Head Square Neck Carriage Bolt Carbon Steel Grade 8.8 Black – Hongji

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New Delivery for M12 X 120mm Bolt - DIN603 Round Head Square Neck Carriage Bolt Carbon Steel Grade 8.8 Black – Hongji Detail:

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70% items delivered within 5 days

80% items delivered within 7 days

90% items delivered within 10 days

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Carriage Bolt Black Oxide 6
carriage bolt drawings

d		M5	M6	M8	M10	M12	M16	M20
P	Pitch	0.8	1	1.25	1.5	1.75	2	2.5
b	L≤125	16	18	22	26	30	38	46
	125＜L≤200	22	24	28	32	36	44	52
	L>200	/	/	41	45	49	57	65
dk	Max	13.55	16.55	20.65	24.65	30.65	38.8	46.8
dk	Min	12.45	15.45	19.35	23.35	29.35	37.2	45.2
ds	Max	5	6	8	10	12	16	20
ds	Min	4.52	5.52	7.42	9.42	11.3	15.3	19.16
k1	Max	4.1	4.6	5.6	6.6	8.75	12.9	15.9
k1	Min	2.9	3.4	4.4	5.4	7.25	11.1	14.1
k	Max	3.3	3.88	4.88	5.38	6.95	8.95	11.05
k	Min	2.7	3.12	4.12	4.62	6.05	8.05	9.95
s	Max	5.48	6.48	8.58	10.58	12.7	16.7	20.84
s	Min	4.52	5.52	7.42	9.42	11.3	15.3	19.16

Detail description

Carriage Bolt Black Oxide 3
Carriage Bolt Zinc Plate 8

Carriage bolt refers to the round head and square neck screw.

Generally speaking, a bolt is used to connect two objects, usually through a light hole, and needs to be used in conjunction with a nut, not a single connection. Tools usually use a wrench. The head is mostly hexagonal, generally large. The carriage bolt is applied in the groove. The square neck is stuck in the groove during the installation process, which can prevent the bolt from rotating. The carriage bolt can move parallel in the groove. Because the head of the carriage bolt is round, there is no cross slot or hex and other available tools design, in the actual connection process can also play the role of anti-theft.

Materials: carbon steel, Q235, 45# steel, stainless steel
Nominal diameter: 5mm–20mm
Length: 15 mm – 300 mm
Surface treatment method: zinc plating, chrome plating, copper plating, black oxide

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Yongnian Hongji
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The key to our success is "Good Products Good quality, Reasonable Value and Efficient Service" for New Delivery for M12 X 120mm Bolt - DIN603 Round Head Square Neck Carriage Bolt Carbon Steel Grade 8.8 Black – Hongji , The product will supply to all over the world, such as: Auckland, Norwegian, Florida, We expect to deliver merchandise and services to more users in global aftermarket markets; we launched our global branding strategy by providing our excellent products and solutions all over the world by virtue of our well reputed partners letting global users keep pace with technology innovation and achievements with us.

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