We are one of the leading manufactures and exports high-quality industrial Oval Head Screws. Oval Head Screws are threaded fasteners with a coarse thread and a slotted head that can be driven with a flat blade screw driver. Tapping Screws are also sometimes called sheet metal screw. Oval head screws are especially useful on HVAC installations that are accessible and where the edge of a flat screw is undesirable.
We offer a wide range of Oval Head Screws available in different materials. Each screw has different specification and use. We use best quality MS (mild steel), SS (stainless steel), Brass, Copper, etc.
Forming | Hot & Cold Forged |
Metric Size | M0.6 to M100 |
Imperial Size | #0 to 4" |
Threads | UNC, UNF, ISO, BSW & ACME. |
Standards | DIN, ASME, ISO & IS |
Variants | Fully Threaded Oval Head Screws, Partial Threaded Oval Head Screws, Metric Oval Head Screws, Imperial Oval Head Screws |
Dimension Standards | DIN 601, DIN 931, DIN 960, ISO 4014, ISO 4016, ISO 8765, ASME B18.2.1, ASME B18.2.3.5M, IS 1363-1, IS 1364-1, IS 6639, IS 12427 |
Alloy Categories | Alloy Steel, Carbon Steel, Stainless Steel, Hastelloy, Inconel, Incoloy, Nickel Bolts, Duplex Steel, Super Duplex, Monel, Brass, Aluminum Bronze, Phosphor Bronze, Silicon Bronze |
Material Specifications | ASTM A193, ASTM A307, ASTM A449, ASTM A453, ASTM A490, ASTM A540, ASTM A1014, ASTM A1082, ASTM F468, ASTM F593, ASTM F2281, ASTM F3125 |
Coatings | PTFE (Teflon), Hot Dip Galvanizing, Aluminum Zinc Flake, Zinc Phosphating, Manganese Phosphating, Metallic Zinc, Nickel Bolts Plating, Chrome Plating, Cadmium Plating, Silver Plating, Tin Plating |
Nominal |
A | H | O | J | T | M | R | N | F | G | Phillips Driver Size | ||||
Head Diameter | Head of Head | Slot Dimensions | Recess Dimensions | Protrusion Above Gaging Diameter | Gaging Diameter | ||||||||||
Side | Total | Width |
Depth | Diam. | Depth | Width | |||||||||
Max | Min | Max | Min | Max | Min | Max | Min | Ref | Ref | Ref | Max | Min | |||
0 | .112 | .096 | .035 | .056 | .023 | .016 | .030 | .025 | .068 | .036 | .014 | .047 | .031 | .078 | 0 |
1 | .137 | .120 | .043 | .068 | .026 | .019 | .038 | .031 | .070 | .039 | .015 | .053 | .035 | .101 | 0 |
2 | .162 | .144 | .051 | .080 | .031 | .023 | .045 | .037 | .106 | .060 | .018 | .058 | .039 | .124 | 1 |
3 | .187 | .167 | .059 | .092 | .035 | .027 | .052 | .043 | .118 | .072 | .019 | .064 | .044 | .148 | 1 |
4 | .212 | .191 | .067 | .104 | .039 | .031 | .059 | .049 | .130 | .086 | .019 | .069 | .048 | .172 | 1 |
5 | .237 | .215 | .075 | .116 | .043 | .035 | .067 | .055 | .152 | .073 | .028 | .075 | .053 | .196 | 2 |
6 | .262 | .238 | .083 | .128 | .048 | .039 | .074 | .060 | .172 | .092 | .030 | .080 | .057 | .220 | 2 |
8 | .312 | .285 | .100 | .152 | .054 | .045 | .088 | .072 | .186 | .107 | .031 | .091 | .066 | .267 | 2 |
10 | .362 | .333 | .116 | .176 | .060 | .050 | .103 | .084 | .202 | .125 | .033 | .102 | .075 | .313 | 2 |
12 | .412 | .380 | .132 | .200 | .067 | .056 | .117 | .096 | .264 | .140 | .038 | .113 | .084 | .362 | 3 |
1/4 | .477 | .442 | .153 | .232 | .075 | .064 | .136 | .112 | .284 | .160 | .040 | .129 | .095 | .424 | 3 |
5/16 | .597 | .556 | .191 | .290 | .084 | .072 | .171 | .141 | .384 | .226 | .065 | .155 | .117 | .539 | 4 |
3/8 | .717 | .670 | .230 | .347 | .094 | .081 | .206 | .170 | .404 | .245 | .068 | .182 | .139 | .653 | 4 |
7/16 | .760 | .715 | .223 | .345 | .094 | .081 | .210 | .174 | .416 | .257 | .070 | .195 | .150 | .690 | 4 |
1/2 | .815 | .765 | .223 | .354 | .106 | .091 | .216 | .176 | .430 | .271 | .071 | .212 | .163 | .739 | 4 |
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