Qbh Japan Standard JIS B1183 Domed Cap Nuts Type 1 Type 2 Type3 for 4t 5t 6t Carbon Steel Zp Yzp Zinc Nickel Alloys 304 316

• Material: Carbon Steel
• Type: Hexagon Head
• Connection: Common Bolt
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: QBH-JIS B1183
• Head Style: Hexagonal
• Standard: DIN
• Grade: 4.8,6.8,8.8,10.9,12.9, etc.
• Transport Package: 25kgs/Box, Bulk in Pallet
• Specification: M10-M24
• Trademark: QBH
• Origin: China
• HS Code: 73181500
• Production Capacity: 100tons/Month
• Package Size: 26.00cm * 26.00cm * 14.00cm
• Package Gross Weight: 25.000kg

Product Description

 

Scope:

This Japanese Industrial Standard specifies the steel domed cap nuts (hereafter referred to as "steel nuts"), the stainless steel domed cap nuts (hereafter referred to as "stainless steel nuts"), and the copper alloy domed cap nuts (hereafter referred to as "copper alloy nuts"), all for general use for the characteristic.

 

• Made from 304 stainless steel, these cap nuts have good chemical resistance and may be mildly magnetic. Also known as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance

 

• Made from 316 stainless steel, these nuts have excellent resistance to chemicals and salt water. Also known as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance. They may be mildly magnetic.

 

• Often referred to as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance. About half the strength of medium-strength steel cap nuts, use them in light duty fastening applications, such as securing access panels.
• Zinc-plated steel cap nuts resist corrosion in wet environments.
• Chrome-plated steel cap nuts have excellent resistance to chemicals and salt water and have a decorative metallic finish.

 

 

• Often referred to as acorn nuts, these nuts have a smooth rounded head that covers and protects threads while providing a finished appearance. They're about 25% stronger than medium-strength steel cap nuts and comparable in strength to Class 10.9 bolts. A zinc plating provides corrosion resistance in wet environments.

 

 

JIS B1183- Hexagon domed cap nuts

 

Screw Thread
d

M4

M5

M6

M8

M10

M12

(M14)

M16

(M18)

P		Pitch	Coarse thread
			Fine thread
m2		Nominal Size
		max
		min
m		max
		min
s		max
		min
b		Nominal Size
A		min
t2		min
e		≈
dw		≈
R		≈
r		≈

0.7	0.8	1	1.25	1.5	1.75	2	2	2.5
-	-	-	1	1.25	1.25	1.5	1.5	1.5
6.2	7.5	9.5	12.5	15.5	18.5	21	24	27
6.45	7.75	9.75	12.8	15.8	18.8	21.3	24.4	27.4
5.95	7.25	9.25	12.2	15.2	18.2	20.7	23.6	26.6
3.2	4	5	6.5	8	10	11	13	15
2.9	3.7	4.7	6.14	7.64	9.64	10.57	12.57	14.57
7	8	10	13	17	19	22	24	27
6.8	7.8	9.8	12.75	16.75	18.65	21.65	23.65	26.65
3.2	4	5	6.5	8	10	11	13	15
5.6	6.6	8.5	11.5	14.5	16.5	19.5	21.5	23.5
0.6	0.6	0.6	0.8	1	1.2	1.6	1.6	1.6
8.1	9.2	11.5	15	19.6	21.9	25.4	27.7	31.2
6.8	7.8	9.8	12.5	16.5	18	21	23	26
3	3.5	4.5	6.5	7.5	8	10	11	12
0.5	0.5	0.5	0.5	0.5	1	1	1	1

Screw Thread
d

M20

(M22)

M24

(M27)

M30

(M33)

M36

(M39)

P		Pitch	Coarse thread
			Fine thread
m2		Nominal Size
		max
		min
m		max
		min
s		max
		min
b		Nominal Size
A		min
t2		min
e		≈
dw		≈
R		≈
r		≈

2.5	2.5	3	3	3.5	3.5	4	4
1.5	1.5	2	2	2	2	3	3
29	32.5	35.5	41	45	49	54.5	59
29.4	32.9	35.9	41.5	45.5	49.5	55	59.5
28.6	32.1	35.1	40.5	44.5	48.5	54	58.5
16	18	19	22	24	26	29	31
15.57	17.57	18.48	21.48	23.48	25.48	28.48	30.38
30	32	36	41	46	50	55	60
29.65	31.6	35.6	40.6	45.6	49.6	54.55	59.55
16	18	19	22	24	26	29	31
26.5	28.5	32.5	37.5	41.5	45.5	50.5	55.5
1.6	2	2	2	2	2	2	2
34.6	37	41.6	47.3	53.1	57.7	63.5	69.3
29	31	34	39	44	48	53	57
13.5	14.5	16.5	19	21	23	25.5	28
1	1	1	1.5	1.5	1.5	1.5	1.5

Type 1 is that the hexagonal part and the cap part are integrated and no undercut is provided, type 2 is that the hexagonal part and the cap part are integrated and an undercut is provided, and type 3 is that the hexagonal part and the cap part are welded together.

Certifications & Package

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