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Carbon Steel B18.2.1 GR2 Flanged Hex Head Bolt

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Carbon Steel B18.2.1 GR2 Flanged Hex Head Bolt

Brand Name : QBH

Model Number : 1/4--3/4

Certification : ISO9001

Place of Origin : CHINA

MOQ : 900kg

Price : Negotiation

Payment Terms : L/C, T/T

Supply Ability : 500TON/MONTH

Delivery Time : 30DAYS

Packaging Details : 25KG/CTN,36CTN/PALLET or small packing

Standard : ANSI B18.2.1

Material : Carbon Steel and stainless steel

Size : 1/4 to 3/4 all kind of length

Finish : ZP YZP HDG BLACK

Grade : 2,5,8

Packing : Carton and pallet or according to the customer's requirement

Sample : Free Sample

Thread : Mushroom head square neck

Lead time : Per on order quantity

Type : Hexagon Head

Advantage : we can manufacture according to client design,OEM / ODM / customized service provided

Oem : yes,welcome

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Carbon Steel B18.2.1 304 GR2 304 Flanged Hex Head Bolt

Specification

Hex head flange bolts are used on vehicle frames, especially truck frames, and anywhere a hex washer head bolt is needed. The large bearing surface distributes clamping force over a large area, allowing them to be used with irregular and oversized holes. Hex head flange bolts are often used with Grade G Flange Style Lock Nuts to create a bolt/nut system that resists loosening and spans a wide area.


Carbon Steel B18.2.1 GR2 Flanged Hex Head Bolt

Thread Size
d
1/4 5/16 3/8 7/16 1/2 9/16 5/8 3/4
PP UNC
UNF
ds max
min
s max
min
e min
min
dc max
c min
k max
b L≤6
L＞6
r max
min
20 18 16 14 13 12 11 10
28 24 24 20 20 18 18 16
0.25 0.3125 0.375 0.4375 0.5 0.5625 0.625 0.75
0.245 0.3065 0.369 0.4305 0.493 0.5545 0.617 0.741
0.375 0.5 0.5625 0.625 0.75 0.8125 0.9375 1.125
0.367 0.489 0.551 0.612 0.736 0.798 0.922 1.1
0.433 0.577 0.65 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
0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11
0.28 0.32 0.39 0.46 0.51 0.57 0.62 0.73
0.75 0.875 1 1.125 1.25 1.375 1.5 1.75
1 1.125 1.25 1.375 1.5 1.625 1.75 2
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

Process flow

Cold forging

Annealing treatment(if need) ➨ wiredrawing ➨ clod forging ➨ thread rolling ➨make heat treatment(if need) ➨ Finish ➨ Packing

Hot forging

Cutting material ➨ hot forging ➨ turning ➨ shrink diameter(half thread) ➨thread rolling ➨ make heat treatment(if need) ➨ Finish ➨ Packing

Product Grade


Carbon Steel B18.2.1 GR2 Flanged Hex Head Bolt

Materials and Chemical compstition

1008

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Al
0.06 0.06 0.33 0.013 0.003 0.01 0 0.01 0.028

1035

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.34 0.13 0.73 0.012 0.002 0.02 0.01 0.02

10B21

CHEMICAL COMPOSI %
C Si Mn P S Cr B
0.2 0.04 0.81 0.017 0.007 0.017 0.0021

1045

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.45 0.23 0.58 0.014 0.006 0.057 0.008 0.016

40CR

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu
0.4 0.21 0.54 0.015 0.008 0.95 0.02 0.02

35CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.35 0.22 0.59 0.01 0.003 0.93 0.01 0.01 0.21

42CRMO

CHEMICAL COMPOSI %
C Si Mn P S Cr Ni Cu Mo
0.42 0.27 0.92 0.013 0.004 1.01 0.03 0.04 0.2

stainless steel

　 化学成分CHEMICAL COMPOSI(% )
Type C碳 Si硅 Mn锰 P磷 S硫 Ni镍 Cr铬 Mo钼 Cu铜 Others
≤ ≤ ≤ ≤ ≤ ≥ ≥ ≥ ≈ 　
201Cu 0.08 1.00 7.5-10 0.06 0.03 4.00-6.00 14.0-17.0 　 2.0-3.0 　
201 0.15 1.00 8.50 0.06 0.03 3.50-5.50 16.0-18.0 　 　 N≤0.25
130M/202 0.15 1.00 7.5-10 0.06 0.03 4.00-6.00 17.0-19.0 　 　 N≤0.25
202 0.15 1.00 7.5-10 0.06 0.03 4.00-6.00 17.0-19.0 　 　 　
301 0.15 1.00 2.00 0.045 0.03 5.00-8.00 16.0-18.0 　 　 　
302 0.15 1.00 2.00 0.045 0.03 8.00-10.0 17.0-19.0 　 　 　
XM7
(302HQ)		 0.08 1.00 2.00 0.045 0.03 8.50-10.5 17.0-9.00 　 3.0-4.0 　
303 0.15 1.00 2.00 0.20 ≥0.15 8.00-10.0 17.0-19.0 ≤0.60 　 　
303Cu 0.15 1.00 3.00 0.20 ≥0.15 8.0-10.0 17.0-19.0 ≤0.60 1.5-3.5 　
304 0.08 1.00 2.00 0.045 0.03 8.00-10.0 18.0-20.0 　 　 　
304H 0.08 1.00 2.00 0.045 0.03 8.0-10.0 18.0-20.0 　 　 　
304HC 0.08 1.00 2.00 0.045 0.03 8.00-10.0 17.0-19.0 　 2.0-3.0 　
304HCM 0.08 1.00 2.00 0.045 0.03 8.0-10.0 17.0-19.0 　 2.5-4.0 　
304L 0.03 1.00 2.00 0.045 0.03 9.0-13.0 18.0-20.0 　 　 　
304M 0.06 1.00 2.00 0.045 0.03 8.50-10.0 18.0-20.0 　 　 　
305 0.12 1.00 2.00 0.045 0.03 10.5-13.0 17.0-19.0 　 　 　
305J1 0.08 1.00 2.00 0.045 0.03 11.0-13.5 16.5-19.0 　 　 　
309S 0.08 1.00 2.00 0.045 0.03 12.0-15.0 22.0-14.0 　 　 　
310S 0.08 1.50 2.00 0.045 0.03 19.0-22.0 24.0-26.0 　 　 　
314 0.25 15.-3.0 2.00 0.040 0.03 19.0--22.0 24.0-26.0 　 　 　
316 0.08 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0 　 　
316Cu 0.03 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0 2.0-3.0 　
316L
(12Ni)		 0.03 1.00 2.00 0.045 0.03 12.0-15.0 16.0-18.0 2.0-3.0 　 　
316L
(10Ni)		 0.03 1.00 2.00 0.045 0.03 10.0-14.0 16.0-18.0 2.0-3.0 　 　
321 0.08 1.00 2.00 0.045 0.03 9.00-13.0 17.0-19.0 　 Ti≤5*C%
410 0.15 　 1.00 　 0.03 　 11.5-13.5 　 　 　
416 0.15 　 1.25 　 ≥0.15 　 12.0-14.0 　 　 　
420 0.26-0.4 　 1.00 　 0.03 　 12.0-14.0 　 　 　
410L 0.30 1.00 1.00 0.040 0.03 　 11.5-13.5 　 　 　
430 0.12 0.75 1.00 0.040 0.03 　 16.0-18.0 　 　 　
430F 0.12 1.00 1.25 0.060 0.15 　 16.0-18.0 　 　 　
631(J1) 0.09 1.00 1.00 0.040 0.03 6.50-8.50 16.0-18.0 　 　 AL 0.75-1.5
2520 0.08 1.00 2.00 0.035 0.03 19.0-22.0 24.0-26.0 　 　 　
410 0.015 1.00 1.00 0.04 0.03 　 11.5-13.5 　 　 　

Finish

PLAIN ZP YZP BLACK HDG DACROMET GEOMET CHROME NICKEL AND SO ON

PACKING

QBH BULK

20-25KG/CTN,36CTNS/PALLET

20-30KG/BAGS,36BAGS/PALLET

ONE TON/BOXES

50KG/ IRON DRUM,12 IRON DRUMS/PALLET

QBH SMALL PACKING

Packing in small boxes according to customer’s requirements

Packing in plastic bag according to customer’s requirements

QBH PALLET TYPE

SOLID WOOD FUMIGATION PALLET

EURO Pallet

THREE SPLINT PALLET

WOODEN BOX

The advantages of QBH

  • QBH brand sales to the main quality assurance.
  • Years of export trade management, excellent service, word-of-mouth guarantee.
  • By working with TUV,escort for quality.
  • Customization of non-standard parts can be made according to customer's requirements and drawings.
  • For quality customers,we can provide a certain credit period.


Product Tags:

Carbon Steel Flanged Hex Head Bolt

      

GR8 Flanged Hex Head Bolt

      

GR5 Hexagon Screw With Flange

      
Quality Carbon Steel B18.2.1 GR2 Flanged Hex Head Bolt wholesale

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