Are Stainless Steel Screws Stronger Than Steel Screws?
A steel screw is produced by adding iron and carbon. A stainless screw on the contrary, are designed possessing high chromium content. Comparing the strength of steel and stainless steel is a very common misconception. Steel is slightly stronger than stainless steel screws as the lower carbon content in SS cannot be hardened.
What Is The Difference Between A Machine Screw And A Wood Screw?
Machine screws are threaded across their entire body. A wood screw is not threaded across its length and has less number of pitches than its counterpart. Machine screws have precision threading, while the latter has coarse threads. Machine screws are preferred in applications that require self-locking. Wood screws are generally affixed with nuts to hold them in place.
What Is A Standard Drywall Screw?
A standard Drywall screw is a specialized self-tapping screw. Designed with a bugle head, these screws attach drywall to studs. These screws are a standard fastener for securing full or partial drywall sheets with ceiling joists. The screws are designed in standard lengths of 1/4, 1/2, and 5/8 inches. Each of these screws is available in different specifications as per customer requirements.
Do Concrete Screws Need Plugs?
Concrete screws provide a quick and easy way of fastening concrete. There is no hammering or anchoring required to shield the material. All that is required is to create a hole and drive the screw. In most cases, they don’t need any plugs, but you can install plugs, so the threads are better aligned.
Table of Content
Stainless Steel Screw Specification
Standard | Italian, ISO, British Indian PN, EU, SAE Polish IS, BS, DIN, ASME, IFI, CSN, |
Coating | Hot Dip galvanized Zinc Plated PTFE Coated Yellow Zinc Plated Black Zinc Plated Blue Zinc Plated Zinc Cobalt Plated Black Phosphate Aluminium Zinc Flake Coated Nickel Plated Screw |
High Tensile grades | 8.8 Bolts 10.9 12.9 14.9 Screw |
Sizes | M2.5, M30, M14, M3, M24, M20, M10, M6, M12, M16, M5, M2, M4, M36, M8,, M100 to M160 |
Length | 3/8 to 8 inches |
Forming | Cold Forged & Hot Forged Screw |
Description | Price in India | Price in USD | Price in Euro | Price in Saudi Riyal | Price in Ringgit |
Stainless Steel M3 x 12mm round head screw | ₹ 3/ PCS | $ 0.038 | € 0.037 | SAR 0.14 | RM 0.17 |
Stainless Steel #M4 x 16 mm Flat head cap screw | ₹ 1/ PCS | $ 0.013 | € 0.013 | SAR 0.049 | RM 0.058 |
Stainless Steel #M4 x 20mm Hex socket cap screw | ₹ 1/ PCS | $ 0.013 | € 0.013 | SAR 0.049 | RM 0.058 |
Hexagon Head Screw Set, DN 100 CF Stainless steel A2, M8x50 | ₹ 723/ PCS | $ 9.08 | € 8.94 | SAR 34.12 | RM 40.84 |
Screw
Drywall Screws
Stainless Steel Screw
Truss Head Screw
SS Coach Screw
SS Screws
Stainless Steel Countersunk Tek Screws
Ss Deck Screws
Stainless Screws
Pan Head Wood Screws
Black Stainless Steel Machine Screws
Stainless Steel Socket Screws
Stainless Steel Coach Screws Grades
Stainless Steel SCrew | ASTM A193 B7, A193 B16, A2 - 80/70, A4 - 80/70, SS 304L, 304, 316, 410, 316L,410S |
Nominal Sizes* | Head Dia (A) | Phillips Driver Sizes | Head Height (H) |
Depth of Slot (T) | Width of Slot (J) | Dimension of Recess | ||||||||
Maximum | Minimum | Maximum | Minimum | Maximum | Minimum | Maximum | Minimum | Dia. Maximum (M) | Dia. Minimum (M) | Depth Maximum (G) | Depth Minimum (G) | Width Minimum (N) | ||
9 | .334 | .311 | 2 | .128 | .115 | .082 | .062 | .054 | .045 | .186 | .173 | .110 | .084 | .030 |
10 | .359 | .334 | 2 | .137 | .123 | .087 | .065 | .060 | .050 | .195 | .182 | .119 | .093 | .031 |
2 | .162 | .146 | 1 | .069 | .059 | .048 | .037 | .031 | .023 | .114 | .101 | .064 | .042 | .018 |
7 | .285 | .264 | 2 | .111 | .099 | .072 | .055 | .048 | .039 | .170 | .157 | .092 | .066 | .028 |
8 | .309 | .287 | 2 | .120 | .107 | .077 | .058 | .054 | .045 | .178 | .165 | .101 | .075 | .030 |
14 | .457 | .429 | 3 | .170 | .155 | .106 | .080 | .075 | .064 | .265 | .252 | .142 | .116 | .034 |
Testing Of Stainless Steel Wood Screws
Stainless Steel Machine Screws Standards
Standard | DIN ISO 1482/ 1481 / 1479/ 7050 / 7049/7051 |
Nominal Sizes* | Head Dia (A) | Phillips Driver Sizes | Head Height (H) |
Depth of Slot (T) | Width of Slot (J) | Dimension of Recess | |||||||
Maximum | minimum | Ref | Maximum | minimum | Maximum | minimum | Dia. Maximum (M) | Dia. minimum (M) | Depth Maximum (G) | Depth minimum (G) | Width minimum (N) | ||
7 | .305 | .268 | 2 | .091 | .041 | .027 | .048 | .039 | .189 | .176 | .121 | .098 | .030 |
8 | .332 | .292 | 2 | .100 | .045 | .029 | .054 | .045 | .204 | .191 | .136 | .113 | .032 |
9 | .358 | .316 | 2 | .108 | .049 | .032 | .054 | .045 | .214 | .201 | .146 | .123 | .033 |
10 | .385 | .340 | 3 | .116 | .053 | .034 | .060 | .050 | .258 | .245 | .146 | .123 | .034 |
12 | .438 | .389 | 3 | .132 | .060 | .039 | .067 | .056 | .283 | .270 | .171 | .148 | .036 |
2 | .172 | .147 | 1 | .051 | .023 | .015 | .031 | .023 | .102 | .089 | .063 | .047 | .017 |
3 | .199 | .141 | 1 | .059 | .027 | .017 | .035 | .027 | .107 | .094 | .068 | .052 | .018 |
4 | .225 | .195 | 1 | .067 | .030 | .020 | .039 | .031 | .128 | .115 | .089 | .073 | .018 |
5 | .252 | .220 | 2 | .075 | .034 | .022 | .043 | .035 | .154 | .141 | .086 | .063 | .027 |
6 | .279 | .244 | 2 | .083 | .038 | .024 | .048 | .039 | .174 | .161 | .106 | .083 | .029 |
14 | .507 | .452 | 3 | .153 | .070 | .046 | .075 | .064 | .283 | .270 | .171 | .148 | .036 |
16 | .544 | .485 | 3 | .164 | .075 | .049 | .075 | .064 | .303 | .290 | .191 | .168 | .039 |
Stainless Steel Screw Torque Chart
Threads Per Inch |
Screws Sizes Inches or # |
std Torque in Inches-Pounds | |
304 Stainless Steel |
316 Stainless Steel |
||
56 | #2 | 2.5 | 2.6 |
64 | 3.0 | 3.2 | |
48 | #3 | 3.9 | 4.0 |
56 | 4.4 | 4.6 | |
40 | #4 | 5.2 | 5.5 |
48 | 6.6 | 6.9 | |
40 | #5 | 7.7 | 8.1 |
44 | 9.4 | 9.8 | |
32 | #6 | 9.6 | 10.1 |
40 | 12.1 | 12.7 | |
32 | #8 | 19.8 | 20.7 |
36 | 22.0 | 23.0 | |
24 | #10 | 22.8 | 23.8 |
32 | 31.7 | 33.1 | |
Threads Per Inch |
Screws Size Inches or # |
Standard Dry Torque in Inch-Pounds | |
304 Stainless Steel |
316 Stainless Steel |
||
20 | 1/4 | 75.2 | 78.8 |
28 | 94.0 | 99.0 | |
18 | 5/16 | 132 | 138 |
24 | 142 | 147 | |
16 | 3/8 | 236 | 247 |
24 | 259 | 271 | |
14 | 7/16 | 376 | 393 |
20 | 400 | 418 | |
13 | 1/2 | 517 | 542 |
20 | 541 | 565 | |
Threads Per Inch |
Screws Size Inches or # |
Standard Dry Torque in Inch-Pounds | |
304 Stainless Steel |
316 Stainless Steel |
||
12 | 9/16 | 682 | 713 |
18 | 752 | 787 | |
11 | 5/8 | 1110 | 1160 |
18 | 1244 | 1301 | |
10 | 3/4 | 1530 | 1582 |
16 | 1490 | 1558 | |
9 | 7/8 | 2328 | 2430 |
14 | 2318 | 2420 | |
8 | 1 | 3440 | 3595 |
14 | 3110 | 3250 | |
Threads Per Inch |
Screws Size Inches or # |
Standard Dry Torque in Foot-Pounds | |
304 Stainless Steel |
316 Stainless Steel |
||
7 | 1 1/8 | 413 | 432 |
12 | 390 | 408 | |
7 | 1 1/4 | 523 | 546 |
12 | 480 | 504 | |
6 | 1 1/2 | 888 | 930 |
12 | 703 | 732 |
Nominal size | Thread Pitch | Body Dia | Hex Socket Size | Max Cone Dia | Head Height | Head Dia | Soc. length | ||
D(max) | D(min) | J | A1 | H | A_max | A_Min | K | ||
M8 | 1.25 | 8.00 | 7.78 | 5,0 | 17,92 | 4,96 | 16,00 | 15,73 | 2,85 |
M10 | 1.5 | 10.00 | 9.78 | 6,0 | 22,4 | 6,2 | 20,00 | 19,67 | 3,60 |
M12 | 1.75 | 12.00 | 11.73 | 8,0 | 26,88 | 7,44 | 24,00 | 23,67 | 4,35 |
M3 | 0.5 | 3.00 | 2.86 | 2,0 | 6,72 | 1,86 | 6,00 | 5,82 | 1,05 |
M4 | 0.70 | 4.00 | 3.82 | 2,5 | 8,96 | 2,48 | 8,00 | 7,78 | 1,49 |
M5 | 0.8 | 5.00 | 4.82 | 3,0 | 11,2 | 3,1 | 10,00 | 9,78 | 1,86 |
M6 | 1.0 | 6.00 | 5.82 | 4,0 | 13,44 | 3,72 | 12,00 | 11,75 | 2,16 |
M16 | 2.0 | 16.00 | 15.73 | 10,0 | 33,6 | 8,8 | 32,00 | 29,67 | 4,89 |
M20 | 2.5 | 20.00 | 19.67 | 10,0 | 40,32 | 10,16 | 40,00 | 35,61 | 5,49 |
Size | Inch | Nearest Fraction | Millimeter |
#4 | 0.11 | 7/64 | 2.8 |
#5 | 0.12 | 1/8 | 3.1 |
#6 | 0.13 | 9/64 | 3.3 |
#8 | 0.16 | 5/32 | 4.2 |
#10 | 0.19 | 3/16 | 4.8 |
#0 | 0.06 | 1/16 | 1.5 |
#1 | 0.07 | 5/64 | 1.8 |
#2 | 0.08 | 3/32 | 2.0 |
#3 | 0.09 | 7/64 | 2.3 |
#12 | 0.21 | 7/32 | 5.5 |
#14 | 0.24 | 1/4 | 6.3 |
Metal screws are threaded through the entire body, while wood screws are not. Furthermore, metal screws have more pitches — number of threads per inch — than their wood screw counterparts. It's also worth noting that metal screws are preferred for applications where self-tapping is needed.
Refractories, Petrochemical, Aerospace, Oil and Gas industries of Following countries procure these products from Hilton Steel
Jansz-io Compression (J-ic) Project, Australia
Azeri Central East Pdq Platform, Azerbaijan
Jackdaw Oil And Gas Field, United Kingdom
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