Alloy 20 Fasteners, Carpenter 20 Hex Bolts and Nuts Specification

Rapid Review of Alloy 20 Fasteners
Length	12 - 1200mm
Free Sample	Yes
Ex.Stock	Imperial Size : 1/4" to 4" Metric Size: M1.2 - M48
Molding Technics	CNC Machining
Temperature Limit	538 °C
Head Style	Hex, Flat, Oval, Pan, Truss etc.
Machining Tolerance	+/-0.01mm
Ultimate Tensile	90 ksi / 620 mp
Environment	Moderately Corrosive
MTC	EN 10204 3.1 and 3.2
Transport Package	20 to 25 Kgs Per Carton 36 to 48 Cartons Per Pallet
Delivery Time	Uruguay : 60 Days Japan : 7 Days
Custom Sizes for Alloy 20 Fasteners are Deliverable, Click Here Delivery Details

High Performance Carpenter 20 Hex Bolts and Nuts Manufacturer in India

Testings of Alloy 20 Fasteners

Flaring Test
Destructive test
Third party inspection test
Non destructive test
Chemical test
Visual inspection test
Nabl approved lab test
Pmi test
Mechanical test

Alloy 20 Bolt

Incoloy® Alloy 20 Nut

Carpenter 20 Screw

Table of content

Allow 20 Fasteners Specification
Alloy 20 Bolt Size Chart
Incoloy® Alloy 20 Nut Dimension Chart
How is UNS N08020 Bolt Stiffness Calculated?
Carpenter 20 Stud Finish
20Cb-3 Nuts Dimensions
Incoloy® 20 Stud Dimensions
ASTM B472 UNS N08020 Washers Dimension
WNR 2.4660 Studs End Types
Most Common Types of Alloy 20 Fasteners

CN7M Anchor Fasteners Torque Chart
DIN 2.4660 Eye Bolt Temperature Range
Applications of Alloy 20 Fasteners
Alloy 20 Fasteners Equivalent Grade
NiCr20CuMo Hex Bolts Thermal Properties
CN7M Anchor Bolts Chemical Composition
Incoloy® Alloy 20 Nut Mechanical Properties
How Alloy 20 Nuts Are Selected? What Factors Should Be Kept in Mind?
What Is the Purpose of DIN 2.4660 Threaded Rod?

Allow 20 Fasteners Specification

Allow 20 Fasteners Sizes

Metric sizes: M1.2 - M48
Imperial Sizes : 1/4" to 4"
Length: 12 - 1200mm
Custom

DIN 2.4660 Bolts Head Type

Pan, Oval
Flat
Hex
Truss

WNR 2.4660 Studs End

Rounded or Saw cut
Sheared
Chamfer
Flat

Nickel Alloy 20 Washer Sizes

Thickness:0.002 to ½ in.
ID: 0.062 to 12 inch
Forms:Form B,D, C, A, E, G

Types Of 20Cb-3 Studs

Fine or Fully Threaded
Tap-End
Double-End

Carpenter 20 Screws Process

Cold Forging
Hot Forging
CNC Machined

Incoloy® Alloy 20 Studs Trade Name

Incoloy® Alloy 020
Alloy 20
Carpenter 20
20CB-3

DIN 2.4660 Washers Standards

UNS:N08020
WNR: 2.4660
ASTM B472 | ASME SB 472

20Cb-3 Nut Testing

Mechanical
PMI
Visual Inspection
Chemical

Nickel Alloy 20 Threaded Rod Finish

Phosphating
Oxidation
HDG

Alloy 20 Bolt Properties

Melting Point:1443 °C
Temp.: up to 1000°F
Density:8.1 g/cm3

ASTM B472 UNS N08020 Bolts Threads

BSF, METRIC
UNC, BSW
UNF

Incoloy® 20 Screw Head Shape

Button
Round
Pan
Truss

WNR 2.4660 Bolts Neck Type

Triangular
Square
Hex
Knurled

Carpenter 20 Dowel Pin Origin

American
European
Janpanese
Korean

Nickel Alloy 20 Screw Tip Styles

Die, Rolled
Dog
A pinch

DIN 2.4660 Threaded Rod Thread

Right Hand
Left Hand
Both Left and Right

WNR 2.4660 Screw Thread Pitch

Coarse Threads
Fine Threads

Get Large inventory Of Coarse and Fine Threads 20Cb-3 Screw With Custom Sizes

Alloy 20 Bolt Size Chart

Nut Size (mm)>	Dia.(mm)>	Height ()>
Nut Size (mm)>	Dia.(mm)>	Hex Nut>	Jam Nut>	Nylock Nut>
2	4>	1.6>	1.2>	->
2.5	5>	2>	1.6>	->
3	5.5>	2.4>	1.8>	4>
4	7>	3.2>	2.2>	5>
18	27>	15>	9>	18.5>
20	30>	16>	10>	20>
7	11>	5.6>	3.5>	->
8	13>	6.7>	4>	8>
10	17>	8>	5>	10>
12	19>	10>	6>	12>
14	22>	11>	7>	14>
5	8>	4>	2.7>	5>
6	10>	5>	3.2>	6>
16	24>	13>	8>	16>

Incoloy® Alloy 20 Nut Dimension Chart

Nominal Size, or Basic Product Diameter		Width Across Flats, F			Full-Size Body Diameter, E		Width Across Corners, G		Radius of Fillet, R		Head Height, H Basic			Nominal Thread Length for Bolt Lengths, LT
inch	mm	Max	Basic inch	Min	Min	Max	Min	Max	Min	Max	Max	Basic inch	Min	Over 6 in.	6 in. and Shoter
5⁄16	0.3125	0.5	1⁄2	0.484	0.298	0.324	0.552	0.577	0.01	0.03	0.235	7⁄32	0.195	1.125	0.875
1⁄4	0.25	0.438	7⁄16	0.425	0.237	0.26	0.484	0.505	0.01	0.03	0.188	11⁄64	0.15	1	0.75
3⁄8	0.375	0.562	9⁄16	0.544	0.36	0.388	0.62	0.65	0.01	0.03	0.268	1⁄4	0.226	1.25	1
1⁄2	0.5	0.75	3⁄4	0.725	0.482	0.515	0.826	0.866	0.01	0.03	0.364	11⁄32	0.302	1.5	1.25
7⁄16	0.4375	0.625	5⁄8	0.603	0.421	0.452	0.687	0.722	0.01	0.03	0.316	19⁄64	0.272	1.375	1.125
5⁄8	0.625	0.938	15⁄16	0.906	0.605	0.642	1.033	1.083	0.02	0.06	0.444	27⁄64	0.378	1.75	1.5
7⁄8	0.875	1.312	1 5⁄16	1.269	0.852	0.895	1.447	1.516	0.02	0.06	0.604	37⁄64	0.531	2.25	2
3⁄4	0.75	1.125	11⁄8	1.088	0.729	0.768	1.24	1.299	0.02	0.06	0.524	1⁄2	0.455	2	1.75
1	1	1.5	1 1⁄2	1.45	0.976	1.022	1.653	1.732	0.03	0.09	0.7	43⁄64	0.591	2.5	2.25
1 1⁄4	1.25	1.875	1 7⁄8	1.812	1.223	1.277	2.066	2.165	0.03	0.09	0.876	27⁄32	0.749	3	2.75
1 1⁄8	1.125	1.688	1 11⁄16	1.631	1.098	1.149	1.859	1.949	0.03	0.09	0.78	3⁄4	0.658	2.75	2.5
1 3⁄8	1.375	2.062	2 1⁄16	1.994	1.345	1.404	2.273	2.382	0.03	0.09	0.94	29⁄32	0.81	3.25	3
1 5⁄8	1.625	2.438	2 7⁄16	2.356	1.591	1.658	2.616	2.815	0.03	0.09	1.116	1 3⁄32	0.978	3.75	3.5
3 3⁄4	3.75	5.625	5 5⁄8	5.437	3.726	3.858	6.198	6.495	0.06	0.19	2.572	2 1⁄2	2.241	8	7.75
1 1⁄2	1.5	2.25	2 1⁄4	2.175	1.47	1.531	2.48	2.598	0.03	0.09	1.036	1	0.902	3.5	3.25
1 3⁄4	1.75	2.625	2 5⁄8	2.538	1.716	1.785	2.893	3.031	0.04	0.12	1.196	1 5⁄32	1.054	4	3.75
2	2	3	3	2.9	1.964	2.039	3.306	3.464	0.04	0.12	1.388	1 11⁄32	1.175	4.5	4.25
1 7⁄8	1.875	2.812	2 13⁄16	2.719	1.839	1.912	3.099	3.248	0.04	0.12	1.276	1 1⁄4	1.13	4.25	4
2 1⁄4	2.25	3.375	3 3⁄8	3.262	2.214	2.305	3.719	3.897	0.06	0.19	1.548	1 1⁄2	1.327	5	4.75
2 3⁄4	2.75	4.125	4 1⁄8	3.988	2.711	2.827	4.546	4.763	0.06	0.19	1.869	1 13⁄16	1.632	6	5.75
4	4	6	6	5.8	3.975	4.111	6.612	6.928	0.06	0.19	2.764	2 11⁄16	2.424	8.5	8.25
2 1⁄2	2.5	3.75	3 3⁄4	3.625	2.461	2.559	4.133	4.33	0.06	0.19	1.708	1 21⁄32	1.479	5.5	5.25
3	3	4.5	4 1⁄2	4.35	2.961	3.081	4.959	5.196	0.06	0.19	2.06	2	1.815	6.5	6.25
3 1⁄2	3.5	5.25	5 1⁄4	5.075	3.461	3.589	5.786	6.062	0.06	0.19	2.38	2 5⁄16	2.057	7.5	7.25
3 1⁄4	3.25	4.875	4 7⁄8	4.712	3.21	3.335	5.372	5.629	0.06	0.19	2.251	2 3⁄16	1.936	7	6.75

How is UNS N08020 Bolt stiffness calculated?

The axial stiffness (k) of the bolt can be calculated by using Folmula : k = (E * A) / L

E is Young's modulus
A is the cross-sectional area
L is the length of the bolt

Find Source Of ASTM B472 UNS N08020 Threaded Rod With HDG and Phosphating Surface Finish

Carpenter 20 Stud Finish

Hot Dipped Galvanizing Coated Fasteners
Xylon Coated Fasteners
Phosphate Coated Fasteners
Teflon Coated Fasteners
Ptfe Coated Stainless Steel Fasteners
Zinc Coated Fasteners
Cadmium Coated Fasteners

20Cb-3 Nuts Dimensions

Nominal Size inch	Basic Major Diameter of Thread	Width Across Corners, G		Width Across Flats, F			Thickness Heavy Hex Jam Nuts, H1			Thickness Heavy Hex Nuts, H			Maximum Runout of Bearing Surface to Thread Axis, FIM
													Heavy HEX NUTS		Heavy Hex Jam Nuts
													Specified Proof load		Heavy Hex Jam Nuts
		Max	Min.	Min.	Basic inch	Max	Min.	Basic inch	Max	Min.	Basic inch	Max	150,000 psi and Greater	Up to 150,000 psi	All Strength Levels
5/16	0.3125	0.650	0.622	0.546	9/16	0.562	0.186	13/64	0.220	0.280	19/64	0.314	0.012	0.020	0.020
1/4	0.2500	0.577	0.556	0.488	1/2	0.500	0.156	11/64	0.188	0.218	15/64	0.250	0.011	0.017	0.017
3/8	0.3750	0.794	0.763	0.669	11/16	0.688	0.216	15/64	0.252	0.341	23/64	0.377	0.014	0.021	0.021
1/2	0.5000	1.010	0.969	0.850	7/8	0.875	0.277	19/64	0.317	0.464	31/64	0.504	0.016	0.023	0.023
7/16	0.4375	0.866	0.830	0.728	3/4	0.750	0.247	17/64	0.285	0.403	27/64	0.441	0.015	0.022	0.022
9/16	0.5625	1.083	1.037	0.909	15/16	0.938	0.307	21/64	0.349	0.526	35/64	0.568	0.017	0.024	0.024
3/4	0.7500	1.443	1.382	1.212	1 1/4	1.250	0.398	27/64	0.446	0.710	47/64	0.758	0.020	0.027	0.027
5/8	0.6250	1.227	1.175	1.031	1 1/16	1.062	0.337	23/64	0.381	0.587	39/64	0.631	0.018	0.025	0.025
7/8	0.8750	1.660	1.589	1.394	1 7/16	1.438	0.458	31/64	0.510	0.833	55/64	0.885	0.022	0.029	0.029
1 1/8	1.1250	2.093	2.002	1.756	1 13/16	1.812	0.579	39/64	0.639	1.079	1 7/64	1.139	0.027	0.033	0.033
1	1.0000	1.876	1.796	1.575	1 5/8	1.625	0.519	35/64	0.575	0.956	63/64	1.012	0.024	0.031	0.031
1 1/4	1.2500	2.309	2.209	1.938	2	2.000	0.687	23/32	0.751	1.187	1 7/32	1.251	0.030	0.035	0.035
1 1/2	1.5000	2.742	2.622	2.300	2 3/8	2.375	0.808	27/32	0.880	1.433	1 15/32	1.505	0.036	0.041	0.041
1 3/8	1.3750	2.526	2.416	2.119	2 3/16	2.188	0.747	25/32	0.815	1.310	1 11/32	1.378	0.033	0.038	0.038
1 5/8	1.6250	2.959	2.828	2.481	2 9/16	2.562	0.868	29/32	0.944	1.556	1 19/32	1.632	0.038	0.044	0.044
4	4.0000	7.073	6.755	5.925	6 1/8	6.125	2.112	2 3/16	2.264	3.862	3 15/16	4.014	0.093	0.107	0.107
1 7/8	1.8750	3.392	3.242	2.844	2 15/16	2.938	0.989	1 1/32	1.073	1.802	1 27/32	1.886	0.044	0.051	0.051
1 3/4	1.7500	3.175	3.035	2.662	2 3/4	2.750	0.929	31/32	1.009	1.679	1 23/32	1.759	0.041	0.048	0.048
2	2.0000	3.608	3.449	3.025	3 1/8	3.125	1.050	1 3/32	1.138	1.925	1 31/32	2.013	0.047	0.055	0.055
2 1/2	2.5000	4.474	4.275	3.750	3 7/8	3.875	1.401	1 29/64	1.505	2.401	2 29/64	2.505	0.058	0.068	0.068
3 1/2	3.5000	6.207	5.928	5.200	5 3/8	5.375	1.870	1 15/16	2.006	3.370	3 7/16	3.506	0.081	0.094	0.094
2 1/4	2.2500	4.041	3.862	3.388	3 1/2	3.500	1.155	1 13/64	1.251	2.155	2 13/64	2.251	0.052	0.061	0.061
3	3.0000	5.340	5.102	4.475	4 5/8	4.625	1.643	1 45/64	1.763	2.893	2 61/64	3.013	0.070	0.081	0.081
2 3/4	2.7500	4.907	4.688	4.112	4 1/4	4.250	1.522	1 37/64	1.634	2.647	2 45/64	2.759	0.064	0.074	0.074
3 1/4	3.2500	5.774	5.515	4.838	5	5.000	1.748	1 13/16	1.876	3.124	3 3/16	3.252	0.075	0.087	0.087
3 3/4	3.7500	6.640	6.341	5.562	5 3/4	5.750	1.990	2 1/16	2.134	3.616	3 11/16	3.760	0.087	0.100	0.100

Incoloy® 20 Stud Dimensions

Nominal Size Diameter, D inch	Umax = 2P			Tap End Full Thread Length, BM			Minimum Nut End Full Thread Length, Bmin
Nominal Size Diameter, D inch	UNF Thread	UNC & NC-5 Thread	8UN Thread	Min.	Nominal	Max.	10 < L ≤ 16	L ≤ 10	L > 16
5/16	0.083	0.111	--	0.440	0.469	0.498	1.125	0.875	1.625
1/4	0.071	0.100	...	0.350	0.375	0.400	1.000	0.750	1.500
3/8	0.083	0.125	--	0.532	0.563	0.594	1.250	1.000	1.750
1/2	0.100	0.154	--	0.708	0.750	0.792	1.500	1.250	2.000
7/16	0.100	0.143	--	0.620	0.656	0.692	1.375	1.125	1.875
9/16	0.111	0.167	--	0.802	0.844	0.896	1.625	1.375	2.125
3/4	0.125	0.200	--	1.075	1.1.25	1.175	2.000	1.750	2.500
5/8	0.111	0.182	--	0.892	0.938	0.983	1.750	1.500	2.250
7/8	0.143	0.222	--	1.258	1.313	1.368	2.250	2.000	2.750
1 1/8	0.167	0.286	0.250	1.625	1.688	1.750	2.750	2.500	3.250
1	0.167	0.250	--	1.438	1.500	1.562	2.500	2.250	3.000
1 1/4	0.167	0.286	0.250	1.813	1.875	1.938	3.000	2.750	3.500
3 3/4	--	0.500	0.250	5.525	5.625	5.725	8.000	--	8.500
1 1/2	0.167	0.333	0.250	2.188	2.250	2.313	3.500	3.250	4.000
1 3/8	0.167	0.333	0.250	2.000	2.063	2.125	3.250	3.000	3.750
1 5/8	--	--	0.250	2.375	2.438	2.500	3.750	3.500	4.250
1 7/8	--	--	0.250	2.750	2.813	2.875	4.250	4.000	4.750
1 3/4	--	0.400	0.250	2.563	2.625	2.688	4.000	3.750	4.500
2	--	0.444	0.250	2.925	3.000	3.075	4.500	4.250	5.000
2 1/2	--	0.500	0.250	3.675	3.750	3.825	5.500	5.250	6.000
2 1/4	--	0.444	0.250	3.300	3.375	3.450	5.000	4.750	5.500
2 3/4	--	0.500	0.250	4.050	4.125	4.200	6.000	5.750	6.500
3 1/4	--	0.500	0.250	4.775	4.875	4.975	7.000	--	7.500
3	--	0.500	0.250	4.425	4.500	4.575	6.500	--	7.000
3 1/2	--	0.500	0.250	5.150	5.250	5.350	7.500	--	8.000
4	--	0.500	0.250	5.900	6.000	6.100	8.500	--	9.000

ASTM B472 UNS N08020 Washers Dimension

Nominal Size					T				Clipped Width E, Min.
	O.D.		I.D.		Standard		Extra Thick
[Note (1)]	Min.	Max.	Min.	Max.	Min.	Max.	Min.	Max.	[Note (2)]
16	32.4	34	18	18.4	3.1	4.6	8	10	14
12	25.7	27	14	14.4	3.1	4.6	8	10	10.5
20	40.4	42	22	22.5	3.1	4.6	8	10	17.5
24	48.4	50	26	26.5	3.4	4.6	8	10	21
22	42.4	44	24	24.5	3.4	4.6	8	10	19.2
27	S4.1	56	30	30.5	3.4	4.6	8	10	23.6
36	70.1	72	39	39.6	3.4	4.6	8	10	31.S
30	58.1	60	33	33.6	3.4	4.6	8	10	26.2
42	81.8	84	45	45.6	4.6	7.2	8	10	36.7
56	104.8	107	62	62.7	6.1	8.7	8	10	49
100	173.5	176	107	107.9	6.1	8.7	8	10	87.5
48	92.8	95	52	52.7	4.6	7.2	8	10	42
64	115.8	118	70	70.7	6.1	8.7	8	10	56
80	139.5	142	86	86.9	6.1	8.7	8	10	70
72	127.5	130	78	78.7	6.1	8.7	8	10	63
90	156.5	159	96	96.9	6.1	8.7	8	10	78.7

Purchase Forged and CNC Machined WNR 2.4660 Studs With Sheared and Flat End

WNR 2.4660 Studs End Types

Rounded or Saw cut
Sheared
Chamfer
Flat

Most Common Types Of Alloy 20 Fasteners

20Cb-3 Stud

ASTM B472 UNS N08020 Threaded Rod

Incoloy® 20 Rivet

Nickel Alloy 20 Dowel Pin

WNR 2.4660 Washer

DIN 2.4660 Hex Bolt

NiCr20CuMo J Bolts

CN7M Hex Nut

Incoloy® 20 Eye Bolts

CN7M Anchor Fasteners Torque Chart

Alloy 20		Bolt/Screw
Nominal Diameter (in)	Threads/in	Torque ft-lb (Dry)	Torque ft-lb (Lubricated)
1/4"	201	3.2	2.4
	281	3.7	2.7
5/16"	181	616	510
	241	7.3	5.5
3/81	161	11.8	8.8
	241	13.3	10.0
7/16"	141	18.8	14.1
	201	21.0	15.8
1/2"	13	28.7	21.5
	201	32.3	24.2
9/16"	121	41.4	31.0
	181	46.1	34.6
511	111	57.1	42.8
	181	64.7	48.5
3/4"	101	102	761
	161	113	851
711	119	163	123
	141	180	135
1111	811	245	184
	141	275	206
111	711	426	320
	121	472	354
1-1/2"	611	742	556
	12	835	626

Buy Nickel Alloy 20 Dowel Pin and Rivet At Lowest Possible Price For High-temperature Environments

DIN 2.4660 Eye Bolt Temperature Range

Temperature	1000°F (538°C)

Applications of Alloy 20 Fasteners

Alloy 20 Fasteners Equivalent Grade

STANDARD	AFNOR	UNS	EN	WERKSTOFF NR.
Alloy 20	Z2NCUD31-20AZ	N08020	NiCr20CuMo	2.4660

NiCr20CuMo Hex Bolts Thermal Properties

Properties	Imperial	Metric
Thermal conductivity	85.4 BTU.in/hrft².°F	12.3 W/mK
Thermal expansion co-efficient (@20-100°C/68-212°F)	8.17 µin/in°F	14.7 µm/m°C

CN7M Anchor Bolts Chemical Composition

Nickel

38%

Copper

4.00%

Sulfur

0.035%

Manganese

2.00 %

Chromium

21.00%

Molybdenum

3.00%

Incoloy® Alloy 20 Nut Mechanical Properties

Tensile Strength min		Yield Strength (0.2% offset) min		Elongation in 2" or 4D	Reduction in Area
Tensile Strength min KSI min	Yield Strength (0.2% offset) min MPa min	Elongation in 2" or 4D KSI min	Reduction in Area MPa min	% min	%
Tensile Strength min 80	Yield Strength (0.2% offset) min551	Elongation in 2 or 4D 35	Reduction in Area 241	30	50

How Alloy 20 Nuts are selected? what factor should keep in mind?

Factors that should be kept in mind while choosing Alloy 20 Nuts:

Show corrosion resistance
Required temperatures
Nut type and sizes
Prices
Shipping process

What is the purpose of DIN 2.4660 Threaded Rod?

The DIN 2.4660 threaded rod is used in applications where high corrosion resistance and strength are required.

Delivery Timing Is Determined by the Location

Export To	Shipping Time
Japan	7
Sri Lanka	5
Maldives	7
Uruguay	60
Mayanmar	25
Taiwan	15
Venezuela	45
Paraguay	60
Cambodia	9
Argentina	45
Bolivia	45
Colombia	45
Ecuador	60
Guyana	60
Bangladesh	14
Brazil	45-60
Chile	45

Why Should You Buy From Regent Steel ?

Distributor of Renowned Mills of Nickel Alloys in Europe and USA
Experience of 2 Decades as a Supplier of High Temperature Alloys in Dubai ( UAE), Saudi Arabia and Africa.
Largest Stockist of Nickel Alloy Flat Products in Mumbai
Ready Stock of Sheets, Coils, Strips and Bars in Over 50 Sizes at Al Jubail, Abu Dhabi, Muscat and South Africa
Facility of Cut to Size at No Extra Cost.
Weekly Delivery to Nigeria, Qatar, Dammam, Sharjah and Singapore
NACE Certified Material at Dealer Price.
Resale Price for Traders, Wholesalers, Importers and Stockholders in Mena Countries
Data Sheets and MTC Along With Quote.
Free Sample, Latest Price List on Request
Renowned Supplier in Heat Exchangers, Instrumentation, and Oil and Gas Industry
Compare Weight Chart and Price Per Kg in China and India.