Serrated Hex Flange Bolt (Full Thread): Dimensions & Specifications

Serrated Hex Flange Bolt Drawing 

Serrated Hex Flange Bolt (Full Thread) (ANSI B1.1 UNC, UNF)

Nominal
Size of Screw

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 Width Across Flats
(F)		 Width Across Corners
(G)		 Flange Diameter
(B)		 Flange Thickness
(U)		 Head
Height
(H)		 Hex Height (K)
Max Min Max Min Max Min Max
 Min
#8 0.2500 0.241 0.297 0.271 0.37 0.02 0.18 0.11
#10 0.3125 0.305 0.367 0.340 0.45 0.03 0.21 0.13
1/4 0.3750 0.367 0.433 0.409 0.56 0.04 0.28 0.17
5/16 0.5000 0.489 0.577 0.548 0.68 0.05 0.32 0.21
3/8 0.5625 0.551 0.650 0.618 0.81 0.06 0.39 0.25
7/16 0.6250 0.612 0.722 0.685 0.93 0.07 0.46 0.30
1/2 0.7500 0.736 0.866 0.825 1.07 0.08 0.51 0.34
5/8 0.9375 0.922 1.083 1.034 1.33 0.10 0.62  0.42
3/4 1.1250 1.100 1.299 1.234 1.59 0.11 0.73 0.51

 

IFI 111, Grade 2

IFI, Grade 5

 IFI 111, Grade 8.2
Material: AISI 1015 Material: AISI 1035 Material: 10B21
Tensile Strength: Min 74,000 psi

Tensile Strength: Min 120,000 psi

 Tensile Strength: Min 150,000 psi
Screw Threads: ANSI B1.1 UNC, UNF Core Hardness: HRC 25-34 Core Hardness: HRC 33~39
Class of Thread: #8 through 3/4, 2A, 3A

Surface Hardness: HRC 25~34

 Surface Hardness: HR30N MAX 58.6

Surface Hardness: HR30N MAX 54

 Screw Threads: ANSI B1.1 UNC, UNF

Screw Threads L ANSI B1.1 UNC, UNF

 Class of Thread: #8 through 3/4, 2A, 3A

Class of Thread: #8 through 3/4, 2A, 3A