Hex Flange Screw A wider clamping area for a stronger, more ......ASTM F788 Surface Discontinuities...

Commonly used to secure components to truck frames, Hex Flange Screws offer a built-in flange that distributes the clamping load over a wider area, eliminating the need for a separate washer. Earnest Machine stocks a large selection of high-strength, inch, metric, and JIS hex flange screws ready-to-ship the same day.

PRODUCT SPECIFICATION SHEET

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Inquire today at 800.327.6378 or visit EarnestMachine.com

Hex Flange ScrewA wider clamping area for a stronger, more durable assembly.

20119EMP

ADDITIONAL HEX FLANGE PRODUCT WE SUPPLY Hex Flange Lag ScrewsHex Serrated Flange ScrewsLarge Flange Hex Serrated Flange ScrewsStainless Steel Hex Serrated Flange ScrewsMetric Hex Serrated Flange ScrewsHex Flange NutsMetric & JIS Hex Flange NutsMetric Stainless Steel Hex Flange NutsHex Serrated Flange Lock NutsLarge Flange Hex Serrated Flange Lock NutsStainless Steel Hex Serrated Flange Lock NutsMetric & JIS Hex Serrated Flange Lock NutsAll Metal Hex Flange Lock Nuts Metric All Metal Hex Flange Lock NutsNylon Insert Hex Flange Lock Nuts Metric Nylon Insert Flange Lock Nuts

PRODUCT ATTRIBUTESBuilt-in washer distributes clamping load over wider areaReplaces traditional hex cap screw and washer applicationsSizes range from #10 to 7/8"; M5 to M18MARKETS FOR HEX FLANGE SCREWSHeavy TruckConstruction EquipmentAgriculture EquipmentFood Processing EquipmentAutomotive

THIS PRODUCT IS OFTEN CALLED...Frame BoltHex Flange BoltFlange BoltHex Washer Head Bolt

AVAILABLE VALUE ADDED SERVICESBulk, full & broken case quantitiesSecondary & rework servicesCustom packaging services Custom plating

GRADE 8 & GRADE 5 HEX FLANGE SCREWS Hex Flange Screws are manufactured in accordance with the latest revision of the following industry standards:

IFI-111 Dimensional Requirements ASME B18.6.3 Dimensional Requirements for Machine ScrewsSAE J429 Material and Strength LevelASME B1.1 Thread RequirementsASTM F788 Surface DiscontinuitiesASME B18.18 Inspection and Quality Assurance

GRADE CARBON (C) PHOSPHORUS (P) SULFUR (S)

Max Min Max Max8 0.55 0.25 0.025 0.0255 0.55 0.15 0.025 0.003

Chemical Composition:

MATERIAL AND PHYSICAL PROPERTIES

SAE J429 GRADE 8 SAE J429 GRADE 5

150,000 psi min 120,000 psi min

Tensile Strength


HRC 33/39 HRC 25/34


Mn, Cr, Mo, Ni, V, B n/a

Hardness

Alloy



20119EMP

Grade 8

DIMENSIONS FOR GRADE 8 & GRADE 5 HEX FLANGE SCREWS

SIZE GRADE WIDTH ACROSS FLATS (F)WIDTH ACROSS

CORNERS (G)FLANGE

DIAMETER (B)BODY

DIAMETER (E)HEIGHT

OF HEAD (H)FLANGE

THICKNESS (U)WRENCH

HEIGHT (K) FILLET (R1)THREAD

LENGTH (LT)

MAX MIN MAX MIN MAX MAX MIN MAX MIN MIN MIN MIN

#10 8 & 5 0.312 0.305 0.360 0.340 0.460 0.190 0.184 0.200 0.02 0.110 0.010 Full

1/4 8 & 5 0.375 0.367 0.433 0.409 0.56 0.2500 0.2450 0.28 0.04 0.17 0.015 0.750”

5/16 8 & 5 0.500 0.489 0.577 0.548 0.68 0.3125 0.3065 0.32 0.05 0.21 0.015 0.875”

3/8 8 & 5 0.562 0.551 0.650 0.618 0.81 0.3750 0.3690 0.39 0.06 0.25 0.015 1.000”

7/16 8 0.625 0.612 0.722 0.685 0.93 0.4375 0.4305 0.46 0.07 0.30 0.015 1.125”

1/2 8 & 5 0.750 0.736 0.866 0.825 1.07 0.5000 0.4930 0.51 0.08 0.34 0.015 1.250”

5/8 8 0.937 0.922 1.083 1.034 1.33 0.6250 0.6170 0.62 0.10 0.42 0.020 1.500”

3/4 8 1.125 1.100 1.299 1.234 1.59 0.7500 0.7410 0.73 0.11 0.51 0.020 1.750”

7/8 8 1.312 1.269 1.515 1.444 1.870 0.875 0.866 0.840 0.120 0.60 0.040 2.000"

ER1

15-30°

LT

HU

K

G

BF

G

THREADS Threads are made to the requirements of ASME B1.1Unified Threads (UNC and UNF) Class 2A Thread acceptance per ASME B1.3, System 21

ER1

15-30°

LT

HU

K

G

BF

G

Grade 5

BF

G

ER1

15-30°

LT

HU

K


Plain n/aPhos and Oil n/aZinc Clear (RoHS compliant Cr3+) Zinc Clear (RoHS compliant Cr3+) Zinc Yellow Zinc Yellow

PLATING

ER1

15-30°

LT

HU

K

G

BF

G

*The specifications shown on this sheet are not intended to be used in the production of parts. Earnest Machine is not responsible or liable in any manner for any production errors and we certify the information present on this specification sheet is correct to the best of our knowledge. ©2021 Earnest Machine Products

METRIC CLASS 10.9 & CLASS 8.8 HEX FLANGE SCREWSHex Flange Screws are manufactured in accordance withthe latest revision of the following industry standards:

DIN 6921 Dimensional Requirements ISO 898-1 Material and Physical PropertiesISO 261 Thread RequirementsISO 6157-1 Surface Discontinuities

ISO 3269 Inspection and Quality Assurance



PLATING

Tensile Strength

Hardness

Alloy



20119EMP

Property Class 10.9

DIMENSIONS FOR METRIC CLASS 10.9 & CLASS 8.8 HEX FLANGE SCREWS

SIZE CLASS WIDTH ACROSS FLATS (F)WIDTH ACROSS

CORNERS (G)FLANGE

DIAMETER (B)BODY

DIAMETER (E)HEIGHT

OF HEAD (H)FLANGE

THICKNESS (U)WRENCH

HEIGHT (K)"LT" PARTIAL

THREAD

MAX MIN MAX MIN MAX MAX MIN MAX MIN MIN

M5-0.80 10.9 8.00 7.78 8.71 11.80 5.00 4.82 5.40 1.00 2.00 16

M6-1.0 10.9 & 8.8 10.00 9.78 10.95 14.20 6.00 5.82 6.60 1.10 2.50 18

M8-1.25 10.9 & 8.8 13.00 12.73 14.26 18.00 8.00 7.78 8.10 1.20 3.20 22

M10-1.5 10.9 & 8.8 15.00 14.73 16.50 22.30 10.00 9.78 9.20 1.50 3.60 26

M12-1.75 10.9 & 8.8 16.00 15.73 17.62 26.60 12.00 11.73 11.50 1.80 4.60 30

M14-2.0 10.9 18.00 17.73 19.86 30.50 14.00 13.73 12.80 2.10 5.10 34

M16-2.0 10.9 21.00 20.67 23.15 35.00 16.00 15.73 14.40 2.40 5.80 38

E

15-30°

LT

HU

K

BF

10.9G

10.9

THREADS Threads are made to the requirements of ISO 261ISO 965-2 Class 6gThread acceptance per ISO 1502

E

15-30°

LT

HU

K

BF

8.8G

8.8

Property Class 8.8

CLASS 10.9 CLASS 8.8

Zinc Clear (RoHS compliant Cr3+) Zinc Clear (RoHS compliant Cr3+) Zinc Yellow Zinc Yellow

CLASS CARBON (C) PHOSPHORUS (P) SULFUR (S) BORON (B)

Max Min Max Max Max10.9 0.55 0.20 0.035 0.035 0.0038.8 0.55 0.15 0.035 0.035 0.003

PROPERTY CLASS 10.9 PROPERTY CLASS 8.8

Mn, Cr, Mo, Ni, V, B n/a


HRC 32/39 HRC 22/32


1040 MPa min 800 MPa min

E

15-30°

LT

HU

K

BF

10.9G

10.9

ER1

15-30°

LT

HU

K

G

BF

G


JIS METRIC CLASS 10.9 HEX FLANGE SCREWHex Flange Screws are manufactured in accordance with the latest revision of the following industry standards:

JIS J11 89 Dimensional Requirements

ISO 898-1 Material and Physical Properties

ISO 261 Thread Requirements

ISO 6157-1 Surface Discontinuities




PLATINGZinc Clear (RoHS compliant Cr3+)

METRIC 10.9 JIS

HRC 32/39

ISO 898-1 PC 10.9 (CONTAINING ONE OR MORE OF THE FOLLOWING)

Mn, Cr, Mo, Ni, V, B

Hardness

Alloy



20119EMP

Property Class 10.9 JIS Metric

SIZE WIDTH ACROSS FLATS (F)WIDTH ACROSS

CORNERS (G)FLANGE

DIAMETER (B)BODY

DIAMETER (E)HEIGHT

OF HEAD (H)FLANGE

THICKNESS (U)WRENCH


THREAD


M6-1.0 10.00 9.80 11.05 14.00 6.00 5.90 6.00 0.80 3.60 18-21

M8-1.25 12.00 11.75 13.25 17.50 8.00 7.85 8.00 1.00 4.80 22-25

M10-1.25 14.00 13.75 15.51 21.00 10.00 9.85 10.00 1.20 6.00 26-29

M12-1.25 17 16.75 18.90 25.00 12.00 11.80 11.50 1.40 7.20 30-33

DIMENSIONS FOR JIS METRIC CLASS 10.9 HEX FLANGE SCREW

E

15-30°

LT

HU

K

BF

10.9G

10.9


E

15-30°

LT

HU

K

BF

10.9G

10.9

E

15-30°

LT

HU

K

BF

10.9G

10.9

CARBON (C) PHOSPHORUS (P) SULFUR (S) BORON (B)

Max Min Max Max Max0.55 0.20 0.035 0.035 0.003

METRIC 10.9 JIS

1040 MPa min

Tensile Strength


METRIC A2-70 STAINLESS STEELHEX FLANGE SCREW

Hex Flange Screws are manufactured in accordance withthe latest revision of the following industry standards:

DIN 6921 Dimensional Requirements

ISO 3506-1 Material and Physical Properties

ISO 261 Thread Requirements

ISO 6157-1 Surface Discontinuities




PLATINGPlain (Passivated)

A2-70 METRIC STAINLESS STEEL

700 MPa min

A2-70 METRIC STAINLESS STEEL

HRB 95 ref

Tensile Strength

Hardness



20119EMP

Metric A2-70 Stainless Steel

DIMENSIONS FOR METRIC A2-70 STAINLESS STEEL HEX FLANGE SCREW


E

15-30°

LT

HU

K

BF

A2-70G

A2-70

E

15-30°

LT

HU

K

BF

10.9G

10.9

SIZE WIDTH ACROSS FLATS (F)WIDTH ACROSS

CORNERS (G)FLANGE

DIAMETER (B)BODY

DIAMETER (E)HEIGHT

OF HEAD (H)FLANGE

THICKNESS (U)WRENCH


THREAD


M6-1.0 10.00 9.78 10.95 14.20 6.00 5.82 6.60 1.10 2.50 18

M8-1.25 13.00 12.73 14.26 18.00 8.00 7.78 8.10 1.20 3.20 22

M10-1.5 15.00 14.73 16.50 22.30 10.00 9.78 9.20 1.50 3.60 26

M12-1.75 16.00 15.73 17.62 26.60 12.00 11.73 11.50 1.80 4.60 30

E

15-30°

LT

HU

K

BF

A2-70G

A2-70

CARBON

(C)

MANGANESE

(Mn)

PHOSPHORUS

(P)

SULFUR

(S)

SILICON

(Si)

CHROMIUM

(Cr)

NICKEL

(Ni)

Max Max Max Max Max Max Max

0.10 2.00 0.05 0.030 1.0 15.0/20.0 8.0/19.0




20119EMP

Hex Flange Screws - Inch


SIZE GRADE THREAD PITCH FINISH PART #

#10-32x1/2 GR 8 Full Coarse Phos & Oil 821072

#10-32x3/4 GR 8 Full Coarse Phos & Oil 821075

#10-32x1 GR 8 Full Coarse Phos & Oil 821078

1/4-20x1/2 GR 8 Full Coarse Plain 821191

1/4-20x1/2 GR 8 Full Coarse Phos & Oil 821192

1/4-20x1/2 GR 8 Full Coarse Zinc Clear 821190T

1/4-20x1/2 GR 8 Full Coarse Zinc Yellow 822100







1/4-20x1 GR 8 Full Coarse Plain 822505

1/4-20x1 GR 8 Full Coarse Phos & Oil 822687

1/4-20x1 GR 8 Full Coarse Zinc Yellow 822503

1/4-20x1 GR 8 Full Coarse Zinc Clear 822504T

1/4-20x1 1/4 GR 8 Full Coarse Plain 822510

1/4-20x1 1/4 GR 8 Partial Coarse Plain 821510

1/4-20x1 1/4 GR 8 Partial Coarse Phos & Oil 821511

1/4-20x1 1/4 GR 8 Full Coarse Phos & Oil 822688

1/4-20x1 1/4 GR 8 Full Coarse Zinc Clear 822509T

1/4-20x1 1/4 GR 8 Partial Coarse Zinc Clear 821509T

1/4-20x1 1/4 GR 8 Full Coarse Zinc Yellow 822508

1/4-20x1 1/4 GR 8 Partial Coarse Zinc Yellow 821508









1/4-20x2 GR 8 Partial Coarse Plain 822525

1/4-20x2 GR 8 Partial Coarse Phos & Oil 822691

1/4-20x2 GR 8 Partial Coarse Zinc Clear 822524T

1/4-20x2 GR 8 Partial Coarse Zinc Yellow 822527
















1/4-28x1/2 GR 8 Full Fine Plain 822546

1/4-28x3/4 GR 8 Full Fine Plain 822548

1/4-28x3/4 GR 8 Full Fine Phos & Oil 822547

1/4-28x1 GR 8 Full Fine Phos & Oil 822543
























5/16-18x1 1/2 zGR 8 Partial Coarse Phos & Oil 487104

Grade 8 Grade 8



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5/16-24x1 1/2 GR 8 Partial Fine Plain 822563




















































Grade 8 Grade 8



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3/8-24x1 1/4 GR 8 Full Fine Phos & Oil 821691












7/16-14x1 1/2 GR 8 Full Coarse Zinc Clear 822637


















































Grade 8 Grade 8



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1/2-20x1 GR 8 Full Fine Plain 822165


1/2-20x1 GR 8 Full Fine Zinc Yellow 822892

1/2-20x1 1/4 GR 8 Full Fine Plain 822168



1/2-20x1 1/4 GR 8 Full Fine Zinc Clear 822156T

1/2-20x1 1/4 GR 8 Full Fine Zinc Yellow 822893











1/2-20x2 GR 8 Partial Fine Plain 822178

1/2-20x2 GR 8 Partial Fine Phos & Oil 821084


1/2-20x2 GR 8 Partial Fine Zinc Clear 822177T

1/2-20x2 GR 8 Partial Fine Zinc Yellow 822184


1/2-20x2 1/4 GR 8 Partial Fine Phos & Oil 821085


1/2-20x2 1/4 GR 8 Partial Fine Zinc Clear 822181T



Grade 8 Grade 8



20119EMP






1/2-20x2 1/2 GR 8 Partial Fine Zinc Yellow 822894




















9/16x10 GR 8 Blank Blank Plain 822200



























































Grade 8 Grade 8



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5/8-18x2 GR 8 Full Fine Zinc Clear 822229T






































Grade 8 Grade 8



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3/4-16x2 GR 8 Full Fine Zinc Clear 822421T






Grade 8 Grade 8



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Grade 8



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#10-32x3/8 GR 5 Full Coarse Zinc Clear 821102




#10-32x1 GR 5 Full Coarse Zinc Clear 821100

1/4-20x3/8 GR 5 Full Coarse Zinc Clear 821110








1/4-20x1 GR 5 Full Coarse Zinc Clear 821120




1/4-20x1 1/2 GR 5 Partial Coarse Zinc Clear 821124



1/4-20x2 GR 5 Partial Coarse Zinc Clear 821126












































7/16-14x1 GR 5 Full Coarse Zinc Clear 821162


Grade 5 Grade 5



20119EMP


















Grade 5



20119EMP

Hex Flange Screws - Metric



M5-0.8x8 ISO 10.9 Full Coarse Phos & Oil 426990



M5-0.8x12 ISO 10.9 Full Coarse Zinc Clear 426999




M5-0.8x25 ISO 10.9 Partial Coarse Phos & Oil 426996



M6-1.0x10 ISO 10.9 Full Coarse Zinc Yellow 427011

M6-1.0x12 ISO 10.9 Full Coarse Plain 427018











M6-1.0x20 ISO 10.9 Full Coarse Zinc Clear 428000T



M6-1.0x25 ISO 10.9 Partial Coarse Plain 427078


M6-1.0x25 ISO 10.9 Partial Coarse Zinc Yellow 427077









M6-1.0x40 ISO 10.9 Partial Coarse Zinc Clear 427102




Class 10.9SIZE GRADE THREAD PITCH FINISH PART #































M8-1.25x40 ISO 10.9 Partial Coarse Zinc Clear 427302T









Class 10.9



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Class 10.9



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M14x250 ISO 10.9 Blank Coarse Phos & Oil 427889

























Class 10.9



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M16-2.0x100 ISO 10.9 Partial Coarse Zinc Clea 428027T








Class 10.9



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Class 8.8



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M10-1.25x16 ISO 10.9 Full Fine Zinc Clear 430140





M10-1.25x40 ISO 10.9 Partial Fine Zinc Clear 430152
















JIS Metric 10.9SIZE GRADE THREAD PITCH FINISH PART #






JIS Metric 10.9



20119EMP




M6-1.0x12 A2-70 Full Coarse Passivated 428300



M6-1.0x25 A2-70 Partial Coarse Passivated 428306






















A2-70 Stainless Steel

Hex Flange Screw A wider clamping area for a stronger, more ......ASTM F788 Surface Discontinuities...

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