What standards do these nuts comply with?

ANSI RoHS ASME DIN FDA ISO SAE UL

Why are hex nuts easy to turn?

Hexagonal-shaped nuts are easier to turn than other types of fasteners as they have six parallels and require less turning distance / radius. They only need one-sixth or 30 degrees of turning each time to reach the next flat parallel.

How are male or female NPSM threads installed to seal connections?

If you are mating NPSM threads with NPTF or NPT threads, make use of sealant or pipe tape to assure liquid and air-tight sealing.

What is the difference between internal and external drive styles?

The tool needed to tighten a fastener depends on its drive type. Deeper grooves and more points of contact on internal drive designs provide a sturdy grip and need less power to tighten. On the other hand, even lesser force is required to tighten external drive types as they may be secured using a wrench or socket.

How to determine fasteners' strength through Grade or Class?

SAE: They are used for Imperial fasteners. The higher the grade, the stronger the fastener. Fasteners with the same grade are designed to be used together. They include SAE Grade 2, 5 and 8 fasteners for light to heavy fastening / stress applications. ISO: Metric fasteners have classifications according to ISO standards. The higher the class, the stronger the fastener. Fasteners with the same first digit are used together. They are available in ISO Class 4, 5, 6, 8, 10 and 12 for light duty fastening or high-stress applications. ASTM: ASTM grades fasteners based on strength. They are available in ASTM Grade 2H, 7, 8, 8M and DH for high strength, stress, pressure & temperature applications. ASTM Grade C units are medium-strength steel nuts. ASME: They are available in Grade F & G for medium or high-stress applications.

Hex Nuts- Page 4 |

APPROVED VENDOR -

Steel Hex Nut, Yellow Zinc Finish

A

B

Style	Model	Dia./Thread Size	Thread Size	Thread Type	Price (ex. VAT)
A	U04122.150.0001	1 1/2-6"	7	UNC	€44.59
B	U04181.150.0002	1 1/2-12"	13	UNF	€50.36

EARNEST -

Hex Nuts

A

B

Style	Model	Dia./Thread Size	Height	Thread Size	Width	Price (ex. VAT)
A	301728G	2 1/2-12"	2 9/64"	2 1/2-12	3.75"	€68.89
B	301688G	2 1/4-12"	1 59/64"	2 1/4-12	3.375"	€64.42

MIDWEST ACORN NUT -

Hex Nuts

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B

C

D

Style	Model	Dia./Thread Size	Height	Width	Price (ex. VAT)
A	MPB652	1/4"-20	7/32"	7/16"	€28.81
B	MPB653	1/4"-28	7/32"	7/16"	€36.87
C	MPB656	3/8"-16	21/64"	9/16"	€49.05
D	MPB657	3/8"-24	21/64"	9/16"	€47.60
C	MPB654	5/16"-18	17/64"	1/2"	€37.62
C	MPB655	5/16"-24	17/64"	1/2"	€43.01

FABORY -

Jam Nuts

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B

Style	Model	Basic Material	Dia./Thread Size	Width	Price (ex. VAT)
A	B11360.037.0001	Low Carbon Steel	3/8"-16	9/16"	€160.52
A	B11380.037.0001	Low Carbon Steel	3/8"-24	9/16"	€186.86
B	B11070.125.0001	Low Carbon Steel	1-1/4"-12	1.812 to 1.875"	€175.25
B	B11060.100.0001	Low Carbon Steel	1"-8	1.45 to 1.5"	€111.56
B	B51090.087.0001	Stainless Steel	7/8"-9	1.269 to 1.312"	€218.75
B	B51090.043.0001	Stainless Steel	7/16"-14	0.675 to 0.688"	€230.74
B	B55090.050.0001	Stainless Steel	1/2"-13	0.736 to 0.75"	€383.08
B	B51090.031.0001	Stainless Steel	5/16"-18	0.489 to 0.5"	€196.01
B	B11361.037.0001	Steel	3/8"-16	0.551 to 0.563"	€218.41
B	B11073.100.0001	Steel	1"-14	1.45 to 1.5"	€765.42

APPROVED VENDOR -

Hex Nut Full M10, 17 mm

A

B

Style	Model	Dia./Thread Size	Price (ex. VAT)
A	6CB16	M10 x 1	€14.32
B	6CB18	M10 x 1.25	€14.81

APPROVED VENDOR -

A2 Stainless Steel (Comparable to 18-8 Stainless Steel) Hex Jam Nut, Plain Finish

A

Style	Model	Height	Thread Size	Width	Price (ex. VAT)
A	6CB36	1.2mm	M2 x 0.4	4mm	€10.22
A	6CB38	1.6mm	M2.5 x 0.45	5mm	€3.79

APPROVED VENDOR -

A4 Stainless Steel Hex Nut

A

B

C

D

E

F

Style	Model	Dia./Thread Size	Height	Width	Price (ex. VAT)
A	M55080.100.0001	M10 x 1.5	8mm	17mm	€19.98
B	M55080.120.0001	M12 x 1.75	10mm	19mm	€14.45
B	M55080.140.0001	M14 x 2	11mm	22mm	€20.68
B	M55080.160.0001	M16 x 2	13mm	24mm	€9.05
C	M55080.180.0001	M18 x 2.5	15mm	27mm	€22.50
D	M55080.200.0001	M20 x 2.5	16mm	30mm	€11.54
E	M55080.240.0001	M24 x 3	19mm	36mm	€31.21
B	M55080.270.0001	M27 x 3	22mm	41mm	€13.65
F	M55080.300.0001	M30 x 3.5	24mm	46mm	€19.85
B	M55080.330.0001	M33-3.5	26mm	50mm	€16.93

APPROVED VENDOR -

Silicon Bronze Hex Nut, Plain Finish

A

B

C

D

E

F

G

H

Style	Model	Dia./Thread Size	Height	Width	Price (ex. VAT)
A	1WE60	1"-8	55/64"	1.5"	€29.25
B	1WE52	1/2"-13	7/16"	3/4"	€57.87
C	1WE46	1/4"-20	7/32"	7/16"	€29.32
D	1WE56	3/4"-10	41/64"	1.125"	€12.81
E	1WE50	3/8"-16	21/64"	9/16"	€28.52
F	1WE54	5/8"-11	35/64"	15/16"	€51.12
G	1WE48	5/16"-18	17/64"	1/2"	€38.13
H	1WE58	7/8"-9	3/4"	1 5/16"	€25.55

APPROVED VENDOR -

Carbon Steel Hex Nut, Plain Finish

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Style	Model	Basic Material	Dia./Thread Size	Grade	Height	Property Class	Rockwell Hardness	System of Measurement	Thread Size	Price (ex. VAT)
A	U08160.125.0002	Carbon Steel	1 1/4-12"	2	1 1/16"	2	B70 to B100	Inch	13	€17.96
A	U01120.056.0002	Carbon Steel	9/16"-18	5	31/64"	5	C19 to C30	Inch	-	€9.34
A	U22280.112.0001	Carbon Steel	1 1/8-8"	2H	1 7/64"	-	B55 to C32	Inch	9	€136.39
A	U22280.125.0001	Carbon Steel	1 1/4-8"	2H	1.25"	-	B55 to C32	Inch	9	€134.56
B	U22280.137.0001	Carbon Steel	1 3/8-8"	2H	-	-	B55 to C32	Inch	9	€122.78
C	U22285.100.0001	Carbon Steel	1-8	2HM	-	-	B55 to C32	Inch	1mm	€126.05
A	U22285.125.0001	Carbon Steel	1 1/4-8"	2HM	-	-	B55 to C32	Inch	9	€139.09
D	M01120.060.0075	Carbon Steel	M6-0.75	Class 8.8	5mm	8.8	C30 to C36	Metric	M6 x 0.75	€26.18
E	U01120.043.0002	Carbon Steel	7/16"-20	5	3/8"	5	C19 to C30	Inch	-	€8.93
F	U01100.087.0001	Carbon Steel	7/8"-9	5	3/4"	5	C19 to C30	Inch	-	€13.73
A	M04120.300.0001	Carbon Steel	M30 x 3.5	Class 10	24mm	10.9	36	Metric	-	€22.37
G	U01100.100.0001	Carbon Steel	1"-8	5	55/64"	5	C19 to C30	Inch	-	€8.03
A	U01100.112.0001	Carbon Steel	1 1/8-7"	5	31/32"	5	C19 to C30	Inch	8	€10.57
H	U04180.043.0002	Carbon Steel	7/16"-20	8	3/8"	8	C33 to C39	Inch	-	€10.56
I	U04120.075.0001	Carbon Steel	3/4"-10	8	41/64"	8	C33 to C39	Inch	-	€16.30
J	M04180.100.0100	Carbon Steel	M10 x 1	Class 10.9	8mm	10.9	C30 to C36	Metric	M10 x 1	€40.17
K	1XA46	Carbon Steel	1 1/4-7"	2H	1 7/32"	-	HRC 24-35	Inch	8	€22.98
L	1XA53	Carbon Steel	1 1/4-8"	2H	1 7/32"	-	HRC 24-35	Inch	9	€24.63
M	U22280.043.0001	Carbon Steel	7/16"-14	2H	27/64"	-	B55 to C32	Inch	7/16"	€105.13
A	U04180.037.0002	Carbon Steel	3/8"-24	8	21/64"	8	C33 to C39	Inch	-	€10.43
A	U08160.031.0002	Carbon Steel	5/16"-24	2	17/64"	-	B70 to B100	Inch	-	€6.46
A	M01100.060.0001	Carbon Steel	M6 x 1	Class 8.8	5mm	8.8	30	Metric	-	€5.50
A	M04180.120.0125	Carbon Steel	M12 x 1.5	Class 10.9	10mm	10.9	36	Metric	-	€26.81
N	U01100.056.0001	Carbon Steel	9/16"-12	5	31/64"	5	C19 to C30	Inch	-	€9.46
A	U22285.087.0001	Carbon Steel	7/8"-9	2HM	-	-	B55 to C32	Inch	7/8"	€191.07

UNISTRUT -

Hex Nut

A

B

Style	Model	Size
A	HHXN050-EG	1/2"	RFQ
A	HHXN025-EG	1/4"	RFQ
B	HHXN075-EG	3/4"	RFQ
A	HHXN037-EG	3/8"	RFQ
B	HHXN062-EG	5/8"	RFQ
A	HHXN031-EG	5/16"	RFQ

GRAINGER -

Steel Hex Nut, Zinc Finish

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U

Style	Model	Dia./Thread Size	Finish	Height	Thread Type	Width	Price (ex. VAT)
A	M01320.030.0001	M3 x 0.5	Zinc Yellow	2.4mm	Metric	5.5mm	€4.33
B	M01320.040.0001	M4 x 0.7	Zinc Yellow	3.2mm	Metric	7mm	€5.50
A	M01120.040.0075	M4-0.75	Plain	3.2mm	Metric Fine	7mm	€532.85
C	M01320.050.0001	M5 x 0.8	Zinc Yellow	4mm	Metric	8mm	€5.41
D	M01320.060.0001	M6 x 1	Zinc Yellow	5mm	Metric	10mm	€3.97
A	M01320.070.0001	M7 x 1	Zinc Yellow	5.5mm	Metric	11mm	€12.38
E	M01560.080.0001	M8 x 1.25	Hot Dipped Galvanized	6.5mm	Metric	13mm	€12.32
F	M01320.080.0001	M8 x 1.25	Zinc Yellow	6.5mm	Metric	13mm	€9.99
G	M01320.100.0001	M10 x 1.5	Zinc Yellow	8mm	Metric	17mm	€21.39
H	M01560.100.0001	M10 x 1.5	Hot Dipped Galvanized	8mm	Metric	17mm	€24.77
A	M01320.120.0001	M12 x 1.75	Zinc Yellow	10mm	Metric	19mm	€19.51
I	M01560.120.0001	M12 x 1.75	Hot Dipped Galvanized	10mm	Metric	19mm	€10.49
J	M01320.140.0001	M14 x 2	Zinc Yellow	11mm	Metric	22mm	€31.86
K	M01560.140.0001	M14 x 2	Hot Dipped Galvanized	11mm	Metric	22mm	€23.91
L	M01560.160.0001	M16 x 2	Hot Dipped Galvanized	13mm	Metric	24mm	€15.00
A	M01320.160.0001	M16 x 2	Zinc Yellow	13mm	Metric	24mm	€14.85
M	M01120.160.0100	M16-1	Plain	13mm	Metric Fine	24mm	€27.09
N	M01560.180.0001	M18 x 2.5	Hot Dipped Galvanized	15mm	Metric	27mm	€29.70
O	M01320.180.0001	M18 x 2.5	Zinc Yellow	15mm	Metric	27mm	€26.13
P	M01120.180.0100	M18-1	Plain	15mm	Metric Fine	27mm	€39.30
Q	M01120.180.0200	M18-2	Plain	15mm	Metric Fine	27mm	€28.41
R	M01340.180.0200	M18-2	Zinc Yellow	15mm	Metric Fine	27mm	€9.54
S	M01320.200.0001	M20 x 2.5	Zinc Yellow	16mm	Metric	30mm	€12.44
T	M01560.200.0001	M20 x 2.5	Hot Dipped Galvanized	16mm	Metric	30mm	€12.94
U	M01340.200.0200	M20-2	Zinc Yellow	16mm	Metric Fine	30mm	€10.19

APPROVED VENDOR -

A4 Stainless Steel (Comparable to 316 Stainless Steel) Hex Jam Nut, Plain Finish

A

B

C

D

Style	Model	Dia./Thread Size	Height	Width	Price (ex. VAT)
A	6CB51	M6 x 1	3.2mm	10mm	€14.38
B	6CB52	M8 x 1.25	4mm	13mm	€20.70
C	6CB53	M10 x 1.5	5mm	17mm	€17.24
D	6CB54	M12 x 1.75	6mm	19mm	€15.73

APPROVED VENDOR -

Stainless Steel Hex Nut

A

B

C

D

Style	Model	Dia./Thread Size	Grade	Thread Size	Thread Type	Price (ex. VAT)
A	U22384.150.0001	1 1/2-8"	8M	9	8UN	€349.65
A	U22384.125.0001	1 1/4-8"	8M	9	8UN	€351.22
A	U22383.162.0001	1 5/8-8"	8	9	8UN	€334.92
A	U22384.162.0001	1 5/8-8"	8M	9	8UN	€371.47
B	U22383.050.0001	1/2"-13	8	1/2"	UNC	€288.64
A	U22384.050.0001	1/2"-13	8M	1/2"	UNC	€429.09
A	U22384.075.0001	3/4"-10	8M	3/4"	UNC	€719.90
A	U22383.075.0001	3/4"-10	8	3/4"	UNC	€499.78
C	U22383.037.0001	3/8"-16	8	3/8"	UNC	€160.67
A	U22384.037.0001	3/8"-16	8M	3/8"	UNC	€194.33
A	U22383.062.0001	5/8"-11	8	5/8"	UNC	€339.00
A	U22384.062.0001	5/8"-11	8M	5/8"	UNC	€420.83
D	U22384.087.0001	7/8"-9	8M	7/8"	UNC	€407.39
A	U22383.087.0001	7/8"-9	8	7/8"	UNC	€379.94

APPROVED VENDOR -

Low Carbon Steel Hex Nut, Yellow Zinc-Plated Finish

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Style	Model	Dia./Thread Size	Grade	Height	Property Class	Rockwell Hardness	System of Measurement	Thread Size	Thread Type	Price (ex. VAT)
A	3HED2	1 3/4-5"	8	1.5"	8	C26 to C36	Inch	6	UNC	€22.47
B	3HEC7	1 3/8-6"	8	1 11/64"	8	C26 to C36	Inch	7	UNC	€7.96
C	3HEC8	1 3/8-12"	8	1 11/64"	8	C26 to C36	Inch	13	UNF	€10.64
D	3HED3	2-4-1/2"	8	1 23/32"	8	C26 to C36	Inch	2.5	UNC	€38.94
C	4RXN3	2-12"	8	1.75"	8	C26 to C36	Inch	-	UNF	€311.24
E	3HED4	2-12"	8	1 23/32"	8	C26 to C36	Inch	2-12	UNF	€43.04
F	4RXP3	7/8"-9	8	3/4"	8	C26 to C34	Inch	-	UNC	€431.84
G	6CA54	M3 x 0.5	Class 10	2.4mm	10	C36 max.	Metric	M3 x 0.5	Metric	€35.55
H	6CA55	M4 x 0.7	Class 10	3.2mm	10	C36 max.	Metric	M4 x 0.7	Metric	€22.82
I	6CA56	M5 x 0.8	Class 10	4mm	10	C36 max.	Metric	-	Metric	€13.64
J	5ZY61	M30 x 3.5	Class 10	24mm	10	C36 max.	Metric	-	Metric	€8.65
K	5ZY63	M36 x 4	Class 10	29mm	10	C36 max.	Metric	-	Metric	€13.77

APPROVED VENDOR -

Hex Nut Full 0.45, 5 mm

A

B

Style	Model	Dia./Thread Size	Thread Size	Price (ex. VAT)
A	6CA67	M2.5-0.45	M2.5 x 0.45	€3.02
B	6CA68	M2.6-0.45	M2.6 x 0.45	€2.59

APPROVED VENDOR -

Low Carbon Steel Hex Nut, Furnace Black Finish

A

B

Style	Model	Dia./Thread Size	Height	Thread Size	Width	Price (ex. VAT)
A	6CA42	M3 x 0.5	2.4mm	M3 x 0.5	5.5mm	€32.07
B	6CA43	M4 x 0.7	3.2mm	M4 x 0.7	7mm	€12.40

APPROVED VENDOR -

18-8 Stainless Steel Hex Nut

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Style	Model	Dia./Thread Size	Height	Thread Size	Thread Type	Width	Price (ex. VAT)
A	U51080.150.0001	1 1/2-6"	1 9/32"	7	UNC	2.25"	€62.56
B	U51160.150.0002	1 1/2-12"	1 9/32"	13	UNF	2.25"	€155.00
C	U51080.125.0001	1 1/4-7"	1 1/16"	8	UNC	1.875"	€53.86
D	U51160.125.0002	1 1/4-12"	1 1/16"	13	UNF	1.875"	€4.53
C	U51080.112.0001	1 1/8-7"	31/32"	8	UNC	1 11/16"	€28.40
E	U51160.112.0002	1 1/8-12"	31/32"	13	UNF	1 11/16"	€85.58
C	U51160.101.0002	1"-14	55/64"	-	UNF	-	€23.96
F	U51160.050.0002	1/2"-20	7/16"	-	UNF	3/4"	€12.32
C	U51080.025.0001	1/4"-20	7/32"	-	UNC	7/16"	€4.56
G	U51160.025.0002	1/4"-28	7/32"	-	UNF	7/16"	€3.68
C	U51160.075.0002	3/4"-16	41/64"	-	UNF	1.125"	€22.94
H	U51160.037.0002	3/8"-24	21/64"	-	UNF	9/16"	€7.83
I	U51080.031.0001	5/16"-18	17/64"	-	UNC	1/2"	€5.68
C	U51160.031.0002	5/16"-24	17/64"	-	UNF	1/2"	€5.53
J	U51160.043.0002	7/16"-20	3/8"	-	UNF	11/16"	€7.81
K	U51080.056.0001	9/16"-12	31/64"	-	UNC	7/8"	€21.63
C	U51160.056.0002	9/16"-18	31/64"	-	UNF	7/8"	€33.55

APPROVED VENDOR -

316 Stainless Steel Hex Nut, Plain Finish

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F

G

Style	Model	Dia./Thread Size	Height	Rockwell Hardness	Thread Type	Type	Width	Price (ex. VAT)
A	U55740.011.0001	#4-40	3/32"	-	UNC	Machine Screw	1/4"	€9.52
B	U55740.013.0001	#6-32	7/64"	-	UNC	Machine Screw	5/16"	€27.68
C	U55740.016.0001	#8-32	1/8"	-	UNC	Machine Screw	11/32"	€12.48
C	U55740.019.0001	#10-24	1/8"	-	UNC	Machine Screw	3/8"	€8.86
C	U55740.019.0002	#10-32	1/8"	-	UNF	Machine Screw	3/8"	€9.15
D	1WB98	1 1/8-7"	31/32"	B80	UNC	Full	1 11/16"	€12.23
E	U55080.100.0001	1"-8	55/64"	B80 to C32	UNC	Full	1.5"	€21.34
F	U55080.050.0001	1/2"-13	7/16"	B80 to C32	UNC	Full	3/4"	€12.70
F	U55080.037.0001	3/8"-16	21/64"	B80 to C32	UNC	Full	9/16"	€12.98
G	U55080.087.0001	7/8"-9	3/4"	B80 to C32	UNC	Full	1 5/16"	€14.77

APPROVED VENDOR -

Low Carbon Steel Hex Nut, Hot Dipped Galvanized Finish

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Style	Model	Dia./Thread Size	Grade	Height	Property Class	Rockwell Hardness	Type	Width	Price (ex. VAT)
A	B08111.125.0001	1 1/4-7"	2	1 1/16"	2	B68 to C32	-	1.875"	€348.77
B	U08111.125.0001	1 1/4-7"	2	-	2	-	-	-	€25.80
C	U22281.125.0002	1 1/4-7"	2H	1 7/32"	2H	C24 to C38	Heavy	2"	€37.07
D	U22281.112.0002	1 1/8-7"	2H	1 7/64"	2H	C24 to C38	Heavy	1 13/16"	€28.66
E	U08111.112.0001	1 1/8-7"	2	-	2	-	-	-	€17.69
F	U08111.100.0001	1"-8	2	55/64"	2	B68 to C32	Full	1.5"	€7.58
G	B08111.100.0001	1"-8	2	-	2	-	-	-	-	RFQ
H	U22281.100.0001	1"-8	2H	63/64"	2H	C24 to C38	Heavy	1.625"	€11.44
I	U22281.050.0001	1/2"-13	2H	31/64"	2H	C24 to C38	Heavy	7/8"	€11.13
G	B08111.050.0001	1/2"-13	2	-	2	-	-	-	-	RFQ
J	U08111.050.0001	1/2"-13	2	7/16"	2	B68 to C32	Full	3/4"	€5.34
K	B08111.025.0001	1/4"-20	2	7/32"	2	B68 to C32	-	7/16"	€316.83
L	U08111.025.0001	1/4"-20	2	7/32"	2	B68 to C32	Full	7/16"	€3.36
M	B22281.075.0001	3/4"-10	2H	47/64"	2H	-	-	1.25"	€1,154.58
N	U08111.075.0001	3/4"-10	2	41/64"	2	B68 to C32	Full	1.125"	€5.91
G	B08111.075.0001	3/4"-10	2	-	2	-	-	-	€256.76	RFQ
O	U08111.037.0001	3/8"-16	2	21/64"	2	B68 to C32	Full	9/16"	€5.42
G	B08111.037.0001	3/8"-16	2	-	2	-	-	-	€282.54	RFQ
G	B08111.062.0001	5/8"-11	2	-	2	-	-	-	€343.34	RFQ
P	U08111.062.0001	5/8"-11	2	35/64"	-	HRC32	Full	15/16"	€9.48
Q	U08111.031.0001	5/16"-18	2	17/64"	2	B68 to C32	Full	1/2"	€5.17
G	B08111.031.0001	5/16"-18	2	-	2	-	-	-	-	RFQ
G	B08111.087.0001	7/8"-9	2	-	2	-	-	-	-	RFQ
D	U08111.087.0001	7/8"-9	2	3/4"	2	B68 to C32	Full	1 5/16"	€5.14
D	U22281.087.0001	7/8"-9	2H	55/64"	2H	C24 to C38	Heavy	1.437"	€7.52

TEXAS PNEUMATIC TOOLS -

Hex Nuts

A

B

C

D

E

F

G

H

Style	Model	Price (ex. VAT)
A	AMIS49	€1.18	RFQ
B	TX-SG2010	€4.18	RFQ
C	410241550	€8.98	RFQ
D	TX-CHRK-07	€3.49	RFQ
E	AMIS19	€0.75	RFQ
F	TX-JF2018	€1.81	RFQ
G	2696	€8.98	RFQ
H	TX-10009	€0.94	RFQ

GRAINGER -

Hex Nut 1 Carbon Steel

A

B

Style	Model	Dia./Thread Size	Finish	Grade	Rockwell Hardness	Price (ex. VAT)
A	U04225.100.0001	1"-8	Hot Dipped Galvanized	DH	C24 to C38	€57.67
A	U04025.100.0001	1"-8	Plain	C	B78 to C38	€21.89
B	U04026.100.0001	1-8	Plain	A563	C24 to C38	€14.28

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