Indented Hex | Hex | Hex Washer Machine Screws | Stainless Steel | Tri Suppli

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Hex Machine Screws

We off a large selections of hex head machine screws. Be sure you take note of the variety of head types avaiable. Contact us today for a quote.

INDENTED HEXAGON: A wrench head fastener made to standard hexagon head dimensions. The hex possesses an identifying depression in the top surface of the head.

INDENTED HEXAGON WASHER HEAD: The same as the standard indented hexagon head but with a washer section at the base of the head to protect the finish of the assembly from wrench disfigurement, and to economically replace a separate bolt & washer assembly.

HEXAGON HEAD (TRIMMED): This is the standard type of wrench-applied hexagon head, characterized by clean, sharp corners trimmed to close tolerances. Recommended for general commercial applications.

HEX FLANGE: Similar to hex washer with the exception that the top of the washer-flange shall be conical or slightly rounded within the periphery of the flange diameter. The contour of the flange edges shall be optional provided minimum flange thickness is maintained.

Hex Head Machine Screws SPECIFICATIONS

Indented Hex and Hex Machine Screws Drawing


Nominal Size

A

W

H

F

U

Across
Flats

Across
Corners

Head
Height

Washer
Diameter

Washer
Thickness

Max

Min

Max

Min

Max

Min

Max

Min

2

.125

.120

.134

.050

.040

.166

.154

.016

.010

4

.188

.181

.202

.060

.049

.243

.225

.019

.011

5

.188

.181

.202

.070

.058

.260

.240

.025

.015

6

.250

.244

.272

.093

.080

.328

.302

.025

.015

8

.250

.244

.272

.110

.096

.348

.322/

.031

.019

10

.312

.305

.340

.120

.105

.414

.384

.031

.019

12

.312

.305

.340

.155

.139

.432

.398

.039

.022

1/4

.375

.367

.409

.190

.172

.520

.480

.050

.030

5/16

.500

.489

.545

.230

.208

.676

.624

.055

.035

3/8

.562

.551

.614

.295

.270

.780

.720

.063

.037

1/4

.477

.442

.153

.131

.110

.094

7/16

.107

.092

1/2

.750

.735

.820

.400

.367

1.040

.960

.085

.050

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Disclaimer

All the information provided in this section has been assembled with concern for accuracy. It is intended for advisory purposes only and use of this information is completely voluntary.