DIN603 Carriage Bolt

Our Carriage Bolts are available in a wide range of sizes (M6-M52, 1/4”-2”) and grades (4.8, 6.8, 8.8, 10.9, 12.9), crafted from high-quality carbon steel materials such as Q235, 35k, and 20MNTiB. We adhere to international standards including DIN, ISO, GB, BS, and ASTM. The threads come in coarse, fine, half, and full thread options, and the surface finishes are available in plain, black, zinc-plated, HDG, and Dacromet, offering flexibility to suit different needs.

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Product Detail

Product Tags

Product catalogue

Specification

Product name	Carriage bolt
Size	M6-M52, 1/4”-2”
Grade	4.8 6.8 8.8 10.9 12.9
Material	Carbon steel Q235 35k,20MNTiB
Standard	DIN, ISO, GB, BS, ASTM
Thread	Coarse thread, Fine thread , Half thread, Full thread
Surface	Plain, Black, zinc plated, HDG, Dacromet
Service	OEM/ODM/ Customized
Quality control	Raw material test, during production test, before packing test
Certificate	ISO9001, SGS
Sample	Sample available
Packing	25kg bag/carton+pallet

Standard

Carriage bolt

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
r1	≈	10.7	12.6	16	19.2	24.1	29.3	33.9
r2	max	0.5	0.5	0.5	0.5	1	1	1
r3	max	0.75	0.9	1.2	1.5	1.8	2.4	3
S	max	5.52	6.48	8.58	10.58	12.7	16.7	20.84
S	min	5.48	5.52	7.42	9.42	11.3	15.3	19.16

Product details

Carriage bolt

Surface

Carriage bolt

Application

Carriage bolt

Why choose us ?

1. Quality Certification: ROHS, ISO9001,IATF16949
2. Professional testing: 100% of full line testing system, in lines with ISO standard.
3. Salt spray time: 2 hours, 24 hours, 48 hours, 96 hours, 1000 hours we can do as per need. And can offer with salt spray checking report.
4. Inspection equipment: Sclerometer, Hardness tester, Caliper, Torsion meter, Salt atmosphere testing machine, Projector,Die gage, Image screening instrument etc.
5. Highly competitive prices.
6. we can manufacture according to client design.