China IFI 111 UNC UNF Flange Bolt Medium Carbon Steel White Zinc Plated Grade 5 Grade 8 manufacturers and suppliers

IFI 111 UNC UNF Flange Bolt Medium Carbon Steel White Zinc Plated Grade 5 Grade 8

Short Description:

Standard: IFI 111

Product Name: UNC UNF Flange Bolt Grade 5 Grade 8

Key Words: IFI 111, Grade 5 Flange Bolt, Serrated Flange Bolt

Size: 1/4″-3/4″

Material: 45#, 35K, 10B21, 40Cr, 35CrMo

Stength Grade: Grade 5, Grade 8

Surface Treatment: White Zinc Plated

Thread Length: Full Thread/ Half Thread

Thread Type: Coarse/Fine

Packing: Bag/Carton/Wooden case

Other Features: Offer customized head mark

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READY TO SHIP DELIVERY

10000+ SKU in warehouse

We Commit for RTS items:

70% items delivered within 5 days

80% items delivered within 7 days

90% items delivered within 10 days

Bulk orders, please contact customer service

Flange Bolt serrated concave head UNC galvanized

Thread dia
d

PP	UNC
d_s	Max
d_s	Min
s	Nominal
	Max
	Min
e	Max
e	Min
d_c	Max
k	Max
b	L ≤ 6 inch
b	L＞ 6 inch
c	Min
r	Max
r	Min

20	18	16	14	13	11	10	9
0.2500	0.3125	0.3750	0.4375	0.5000	0.5625	0.6250	0.7500
0.2450	0.3065	0.3690	0.4305	0.4930	0.5545	0.6170	0.7410
3/8	1/2	9/16	5/8	3/4	13/16	15/16	1-1/8
0.3750	0.5000	0.5625	0.6250	0.7500	0.8125	0.9375	1.1250
0.367	0.489	0.551	0.612	0.736	0.798	0.922	1.100
0.433	0.577	0.650	0.722	0.866	0.938	1.083	1.299
0.409	0.548	0.618	0.685	0.825	0.895	1.034	1.234
0.56	0.68	0.81	0.93	1.07	1.19	1.33	1.59
0.28	0.32	0.39	0.46	0.51	0.57	0.62	0.73
0.750	0.875	1.000	1.125	1.250	1.375	1.500	1.750
1.000	1.125	1.250	1.375	1.500	1.625	1.750	2.000
0.04	0.05	0.06	0.07	0.08	0.09	0.10	0.11
0.025	0.025	0.025	0.025	0.025	0.045	0.045	0.045
0.015	0.015	0.015	0.015	0.015	0.02	0.02	0.02

Detail description

Flange bolts. According to the thread classification of Metric standard and ASME standard, according to the head shape it has flat head and concave head. Flat bottom and serrated bottom can be assigned according to the appearance of the bottom of the head. The common grade is 8.8, 10.9 and 12.9, and the American grade is Grade 5 and Grade 8. Materials are 304 stainless steel, 316 stainless steel, 35K, 45# steel, 10B21, 40Cr, 35CrMo, etc. And we also provide customized service, the head side and flange diameter and head mark can be customized, the minimum order weight is 1000 kg or equivalent quantity.

Flange bolt is composed of hexagonal head and flange plate, its "support area to stress area word ratio" is greater than the ordinary bolt, so this bolt can bear higher preload, anti-loose performance is also better, so it is widely used in automobile engines, heavy machinery and other products.

There are Metric standard, size from M6-M20 and UN standard, size from 1/4"-3/4". Most of them have stock in warehouse.