DIN931 Hexagon Head Bolts DIN933 Full Threaded Stainless Steel Bolt Hex Nut Bolt

• Customization: Available
• Material: Stainless Steel
• Type: Hexagon Head
• Model NO.: DIN 933
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, GB, JIS, GOST, ISO
• Grade: A2-70
• Application: Machinery, Chemical Industry, Environmental, Building
• Finish: Passivation
• Quality: 100% Tested
• Price: Factory Price
• Lead Time: 15-30 Days
• Surface: Plain, Zinc Plated (Blue, White, Black, Yellow)
• Package: Standard Package or Customer's Packing
• Box: Customer's Brand Box/Plain Box
• MOQ: Can Be Negotiated
• Shipment: by Sea / Truck / Plane / Express
• Exterior Finish: Cuotomized
• Sample: Available
• Customized: Available
• Service: One-Stop Service
• Online Sales: 24 Hours Online
• OEM/ODM: Available
• Head: Hexagonal
• Transport Package: Bulk Packaging, Small Box(Glue Box, Color Box)
• Specification: M4-M100
• Trademark: Mianxuan, Customized
• Origin: Zhejiang, China
• HS Code: 7318151001
• Production Capacity: 100tons/Month
• Package Size: 10.00cm * 10.00cm * 5.00cm
• Package Gross Weight: 0.500kg

Product Description

DIN931 Hexagon Head Bolts DIN933 Full Threaded Stainless Steel Bolt Hex Nut Bolt

Stainless Steel Hex Head Bolt
Material:	Carbon Steel, Stainless Steel, Brass etc.
Standards:	GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS, ETC
Size:	M4-M100 or non-standard asa request & design
Finish:	Plain, Black, Zinc, Yellow Zinc, HDG, Dacromet, etc.

Screw Thread
d

(M18)

M20

(M22)

M24

(M27)

M30

(M33)

M36

(M39)

M42

(M45)

P		Pitch
a		max
c		min
		max
da		max
dw		Grade A	min
		Grade B	min
e		Grade A	min
		Grade B	min
k		Nominal Size
		Grade A	min
			max
		Grade B	min
			max
k1		min
r		min
s		max=nominal size
		Grade A	min
		Grade B	min

2.5	2.5	2.5	3	3	3.5	3.5	4	4	4.5	4.5
7.5	7.5	7.5	9	9	10.5	10.5	12	12	13.5	13.5
0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.2	0.3	0.3	0.3
0.8	0.8	0.8	0.8	0.8	0.8	0.8	0.8	1	1	1
20.2	22.4	24.4	26.4	30.4	33.4	36.4	39.4	42.4	45.6	48.6
25.3	28.2	30	33.6	-	-	-	-	-	-	-
24.8	27.7	29.5	33.2	38	42.7	46.5	51.1	55.9	59.9	64.7
30.14	33.53	35.72	39.98	-	-	-	-	-	-	-
29.56	32.95	35.03	39.55	45.2	50.85	55.37	60.79	66.44	71.3	76.95
11.5	12.5	14	15	17	18.7	21	22.5	25	26	28
11.28	12.28	13.78	14.78	-	-	-	-	-	-	-
11.72	12.72	14.22	15.22	-	-	-	-	-	-	-
11.15	12.15	13.65	14.65	16.65	18.28	20.58	22.08	24.58	25.58	27.58
11.85	12.85	14.35	15.35	17.35	19.12	21.42	22.92	25.42	26.42	28.42
7.8	8.5	9.6	10.3	11.7	12.8	14.4	15.5	17.2	17.9	19.3
0.6	0.8	0.8	0.8	1	1	1	1	1	1.2	1.2
27	30	32	36	41	46	50	55	60	65	70
26.67	29.67	31.61	35.38	-	-	-	-	-	-	-
26.15	29.16	31	35	40	45	49	53.8	58.8	63.1	68.1

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: DIN933, DIN931, DIN912, DIN603, DIN7985, DIN7991, DIN6921, ASME/ANSI B 18.2.1, ASME/ANSI B18.2.3.1 M, GB, BSW, ISO Hex bolt, carriage bolt, heavy hex bolt, flange head bolt, anchor bolt, etc

: DIN934, DIN6923, DIN985, ISO4032 hex heavy hex nut, 2H nut, A563 / A563M cap nut, nylon nut, etc

: threaded rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect

: hex screw, DIN912; self-drilling screw, DIN7504; self-tapping screw, DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw, furniture screw, wood screw, etc

: flat washer DIN125, spring washer DIN127, lock washer, square washer, spring lock washer, plain washer, etc

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FAQ

Q1: What thread standards do you follow?

A1: Our screws comply with DIN, ISO, ANSI, and JIS standards, and can also be customized according to customer drawings.

Q2: What stainless steel grades do you supply for bolts?

A2: We supply multiple grades including A2-70, A2-80, A4-70, A4-80, 304, 316, and 410SS, suitable for different mechanical strength and corrosion-resistance requirements.

Q3: Do you provide samples before mass production?

A3: Yes, we offer free or low-cost samples for quality and dimension confirmation prior to order.

Q4: How do you control product quality?

A4: Every batch is tested for torque, hardness, thread precision, and salt spray corrosion resistance, following ISO 9001 quality system standards.

Q5: Do you offer OEM or customized production?

A5: Yes. We can produce screws according to samples, technical drawings, or specific drive/head combinations, and offer custom packaging and labeling.

Q6: What is the difference between A2 and A4 stainless steel bolts?

A6: A2 (304) is ideal for standard outdoor and industrial use, while A4 (316) contains molybdenum, offering higher corrosion resistance for marine, chemical, and salt-spray environments.

Q7: Will stainless steel bolts rust over time?

A7: Under severe chemical or chloride exposure, A2 may develop slight surface corrosion. A4/316 performs better in harsh environments. We also offer passivation treatment for enhanced protection.