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Hex Tap Bolts

What is the difference between a tap bolt and a cap screw?

A tap bolt is (typically) a fully threaded hex bolt, while a cap screw is (typically) a hex head bolt that will be installed by turning the head of the bolt (screw) instead of tightening it with a nut. Usually cap screws are being threaded into something (a piece of machinery for example), rather than being used with a nut. A cap screw is not necessarily fully threaded unless you order it that way. Cap screws will follow a standard thread length formula as follows:

Standard Thread Length

For cap screws 6″ or less in length, thread length will be (2 X diameter) + 1/4″
For cap screws longer than 6″, thread length will be (2 X diameter) + 1/2″

hex tap bolt

Also known as fully-threaded Hex Cap Screws, these bolts have a variety of uses for construction, agriculture and automotive applications. We carry a complete line of grade 2, 5 and 8, coarse thread Tap Bolts. Fine thread available on request. Available in plain and zinc finishes. Stocked in diameters from 1/4" to 2" and a full range of lengths.

Nominal or Basic Product Diameter
F
G
H
WIDTH ACROSS FLATS
WIDTH ACROSS CORNERS
HEAD HEIGHT
BASIC
MAX
MIN
MAX
MIN
BASIC
MAX
MIN
1/4
7/16
0.438
0.428
0.505
0.488
5/32
0.163
0.15
5/16
1/2
0.5
0.489
0.577
0.557
13/64
0.211
0.195
3/8
9/16
0.562
0.551
0.65
0.628
15/64
0.243
0.226
7/16
8-May
0.625
0.612
0.722
0.698
9/32
0.291
0.272
1/2
3/4
0.75
0.736
0.866
0.84
5/16
0.323
0.302
5/8
15/16
0.938
0.922
1.083
1.051
25/64
0.403
0.378
3/4
1-1/8
1.125
1.1
1.299
1.254
15/32
0.483
0.455
Tolerance on Length
Nominal Screw Size
Nominal Size
Up to 1in., incl.
Over 1 in. to 2-2 1/2 in., incl.
Over 2-1/2 in. to 4 in., incl.
Over 4 in. to 6 in., incl.
1/4 to 3/8
-0.03
-0.04
-0.06
-0.1
7/16 and 1/2
-0.03
-0.06
-0.08
-0.1
9/16 to 3/4
-0.03
-0.08
-0.1
-0.1

Hex Tap Size Chart

Tap size Diameter (in) Diameter (mm) Thread count (TPI) Thread pitch (mm) Tap drill size
Hex Tap Bolts #0000-1600.02100.53341600.1591/64 in
Hex Tap Bolts #000-1200.03400.86361200.212#71
Hex Tap Bolts M1x0.20.03941.0000~1270.2000.8 mm
Hex Tap Bolts M1x0.250.03941.0000~1020.2500.75 mm
Hex Tap Bolts M1.1x0.250.04331.1000~1020.2500.85 mm
Hex Tap Bolts M1.1x0.20.04331.1000~1270.2000.9 mm
Hex Tap Bolts #00-900.04701.1938900.282#65
Hex Tap Bolts M1.2x0.20.04721.2000~1270.2001 mm
Hex Tap Bolts M1.2x0.250.04721.2000~1020.2500.95 mm
Hex Tap Bolts M1.4x0.20.05511.4000~1270.2001.2 mm
Hex Tap Bolts M1.4x0.30.05511.4000~850.3001.1 mm
Hex Tap Bolts #0-800.06001.5240800.3183/64 in
Hex Tap Bolts M1.6x0.20.06301.6000~1270.2001.4 mm
Hex Tap Bolts M1.6x0.350.06301.6000~730.3501.25 mm
Hex Tap Bolts M1.8x0.20.07091.8000~1270.2001.6 mm
Hex Tap Bolts M1.8x0.350.07091.8000~730.3501.45 mm
Hex Tap Bolts #1-640.07301.8542640.397#52
Hex Tap Bolts #1-720.07301.8542720.353#53
Hex Tap Bolts M2x0.250.07872.0000~1020.2501.75 mm
Hex Tap Bolts M2x0.40.07872.0000~640.4001.6 mm
Hex Tap Bolts #2-560.08602.1844560.454#50
Hex Tap Bolts #2-640.08602.1844640.397#50
Hex Tap Bolts M2.2x0.250.08662.2000~1020.2501.95 mm
Hex Tap Bolts M2.2x0.450.08662.2000~570.4501.75 mm
Hex Tap Bolts M2.5x0.350.09842.5000~730.3502.1 mm
Hex Tap Bolts M2.5x0.450.09842.5000~570.4502.05 mm
Hex Tap Bolts #3-480.09902.5146480.529#47
Hex Tap Bolts #3-560.09902.5146560.454#45
Hex Tap Bolts #4-400.11202.8448400.635#43
Hex Tap Bolts #4-480.11202.8448480.529#42
Hex Tap Bolts M3x0.350.11813.0000~730.3502.6 mm
Hex Tap Bolts M3x0.50.11813.0000~510.5002.5 mm
Hex Tap Bolts #5-400.12503.1750400.635#39
Hex Tap Bolts #5-440.12503.1750440.577#37
Hex Tap Bolts M3.5x0.350.13783.5000~730.3503.1 mm
Hex Tap Bolts M3.5x0.60.13783.5000~430.6002.9 mm
Hex Tap Bolts #6-320.13803.5052320.794#36
Hex Tap Bolts #6-400.13803.5052400.635#33
Hex Tap Bolts M4x0.350.15754.0000~730.3503.6 mm
Hex Tap Bolts M4x0.50.15754.0000~510.5003.5 mm
Hex Tap Bolts M4x0.70.15754.0000~370.7003.3 mm
Hex Tap Bolts #8-320.16404.1656320.794#29
Hex Tap Bolts #8-360.16404.1656360.706#29
Hex Tap Bolts M4.5x0.50.17724.5000~510.5004 mm
Hex Tap Bolts M4.5x0.750.17724.5000~340.7503.8 mm
Hex Tap Bolts #10-320.19004.8260320.794#21
Hex Tap Bolts #10-240.19004.8260241.058#25
Hex Tap Bolts M5x0.50.19695.0000~510.5004.5 mm
Hex Tap Bolts M5x0.80.19695.0000~320.8004.2 mm
Hex Tap Bolts #12-240.21605.4864241.058#17
Hex Tap Bolts #12-280.21605.4864280.907#15
Hex Tap Bolts M5.5x0.50.21655.5000~510.5005 mm
Hex Tap Bolts M6x0.50.23626.0000~510.5005.5 mm
Hex Tap Bolts M6x0.750.23626.0000~340.7505.2 mm
Hex Tap Bolts M6x10.23626.0000~261.0005 mm
Hex Tap Bolts 1/4-200.25006.3500201.270#7
Hex Tap Bolts 1/4-280.25006.3500280.907#3
Hex Tap Bolts M7x0.750.27567.0000~340.7506.2 mm
Hex Tap Bolts M7x10.27567.0000~261.0006 mm
Hex Tap Bolts 5/16-180.31257.9375181.411F
Hex Tap Bolts 5/16-240.31257.9375241.058I
Hex Tap Bolts M8x0.50.31508.0000~510.5007.5 mm
Hex Tap Bolts M8x0.750.31508.0000~340.7507.2 mm
Hex Tap Bolts M8x10.31508.0000~261.0007 mm
Hex Tap Bolts M8x1.250.31508.0000~211.2506.8 mm
Hex Tap Bolts M9x0.750.35439.0000~340.7508.2 mm
Hex Tap Bolts M9x10.35439.0000~261.0008 mm
Hex Tap Bolts M9x1.250.35439.0000~211.2507.8 mm
Hex Tap Bolts 3/8-240.37509.5250241.058Q
Hex Tap Bolts 3/8-160.37509.5250161.5885/16 in
Hex Tap Bolts M10x0.750.393710.0000~340.7509.2 mm
Hex Tap Bolts M10x1.50.393710.0000~171.5008.5 mm
Hex Tap Bolts M10x1.250.393710.0000~211.2508.8 mm
Hex Tap Bolts M10x10.393710.0000~261.0009 mm
Hex Tap Bolts M11x0.750.433111.0000~340.75010.2 mm
Hex Tap Bolts M11x10.433111.0000~261.00010 mm
Hex Tap Bolts M11x1.50.433111.0000~171.5009.5 mm
Hex Tap Bolts 7/16-140.437511.1125141.814U
Hex Tap Bolts 7/16-200.437511.1125201.27025/64 in
Hex Tap Bolts M12x1.50.472412.0000~171.50010.5 mm
Hex Tap Bolts M12x1.750.472412.0000~151.75010.2 mm
Hex Tap Bolts M12x0.750.472412.0000~340.75011.25 mm
Hex Tap Bolts M12x10.472412.0000~261.00011 mm
Hex Tap Bolts M12x1.250.472412.0000~211.25010.8 mm
Hex Tap Bolts 1/2-200.500012.7000201.27029/64 in
Hex Tap Bolts 1/2-130.500012.7000131.95427/64 in
Hex Tap Bolts M14x1.50.551214.0000~171.50012.5 mm
Hex Tap Bolts M14x1.250.551214.0000~211.25012.8 mm
Hex Tap Bolts M14x10.551214.0000~261.00013 mm
Hex Tap Bolts M14x20.551214.0000~132.00012 mm
Hex Tap Bolts 9/16-180.562514.2875181.41133/64 in
Hex Tap Bolts 9/16-120.562514.2875122.11731/64 in
Hex Tap Bolts M15x10.590615.0000~261.00014 mm
Hex Tap Bolts M15x1.50.590615.0000~171.50013.5 mm
Hex Tap Bolts 5/8-180.625015.8750181.41137/64 in
Hex Tap Bolts 5/8-110.625015.8750112.30917/32 in
Hex Tap Bolts M16x20.629916.0000~132.00014 mm
Hex Tap Bolts M16x1.50.629916.0000~171.50014.5 mm
Hex Tap Bolts M16x10.629916.0000~261.00015 mm
Hex Tap Bolts M17x10.669317.0000~261.00016 mm
Hex Tap Bolts M17x1.50.669317.0000~171.50015.5 mm
Hex Tap Bolts M18x2.50.708718.0000~112.50015.5 mm
Hex Tap Bolts M18x10.708718.0000~261.00017 mm
Hex Tap Bolts M18x1.50.708718.0000~171.50016.5 mm
Hex Tap Bolts M18x20.708718.0000~132.00016 mm
Hex Tap Bolts 3/4-160.750019.0500161.58811/16 in
Hex Tap Bolts 3/4-100.750019.0500102.54021/32 in
Hex Tap Bolts M20x20.787420.0000~132.00018 mm
Hex Tap Bolts M20x1.50.787420.0000~171.50018.5 mm
Hex Tap Bolts M20x10.787420.0000~261.00019 mm
Hex Tap Bolts M20x2.50.787420.0000~112.50017.5 mm
Hex Tap Bolts M22x20.866122.0000~132.00020 mm
Hex Tap Bolts M22x1.50.866122.0000~171.50020.5 mm
Hex Tap Bolts M22x10.866122.0000~261.00021 mm
Hex Tap Bolts M22x2.50.866122.0000~112.50019.5 mm
Hex Tap Bolts 7/8-90.875022.225092.82249/64 in
Hex Tap Bolts 7/8-140.875022.2250141.81413/16 in
Hex Tap Bolts M24x30.944924.0000~93.00021 mm
Hex Tap Bolts M24x10.944924.0000~261.00023 mm
Hex Tap Bolts M24x1.50.944924.0000~171.50022.5 mm
Hex Tap Bolts M24x20.944924.0000~132.00022 mm
Hex Tap Bolts M25x20.984325.0000~132.00023 mm
Hex Tap Bolts M25x10.984325.0000~261.00024 mm
Hex Tap Bolts M25x1.50.984325.0000~171.50023.5 mm
Hex Tap Bolts 1-141.000025.4000141.81415/16 in
Hex Tap Bolts 1-81.000025.400083.1757/8 in
Hex Tap Bolts M26x1.51.023626.0000~171.50024.5 mm
Hex Tap Bolts M27x1.51.063027.0000~171.50025.5 mm
Hex Tap Bolts M27x31.063027.0000~93.00024 mm
Hex Tap Bolts M27x11.063027.0000~261.00026 mm
Hex Tap Bolts M27x21.063027.0000~132.00025 mm
Hex Tap Bolts M28x21.102428.0000~132.00026 mm
Hex Tap Bolts M28x11.102428.0000~261.00027 mm
Hex Tap Bolts M28x1.51.102428.0000~171.50026.5 mm
Hex Tap Bolts 1 1/8-121.125028.5750122.1171 3/64 in
Hex Tap Bolts 1 1/8-71.125028.575073.62963/64 in
Hex Tap Bolts M30x1.51.181130.0000~171.50028.5 mm
Hex Tap Bolts M30x3.51.181130.0000~83.50026.5 mm
Hex Tap Bolts M30x21.181130.0000~132.00028 mm
Hex Tap Bolts 1 1/4-121.250031.7500122.1171 11/64 in
Hex Tap Bolts 1 1/4-71.250031.750073.6291 7/64 in
Hex Tap Bolts M33x21.299233.0000~132.00031 mm
Hex Tap Bolts M33x3.51.299233.0000~83.50029.5 mm
Hex Tap Bolts M36x31.417336.0000~93.00033 mm
Hex Tap Bolts M36x41.417336.0000~74.00032 mm
Hex Tap Bolts 1 1/2 -121.500038.1000122.1171 27/64 in
Hex Tap Bolts 1 1/2-61.500038.100064.2331 11/32 in
Hex Tap Bolts M39x41.535439.0000~74.00035 mm
Hex Tap Bolts M39x31.535439.0000~93.00036 mm
Hex Tap Bolts M42x4.51.653542.0000~64.50037.5 mm
Hex Tap Bolts 1 3/4-121.750044.4500122.1171 43/64 in
Hex Tap Bolts 1 3/4-51.750044.450055.0801 35/64 in
Hex Tap Bolts M45x4.51.771745.0000~64.50040.5 mm
Hex Tap Bolts M48x51.889848.0000~65.00043 mm
Hex Tap Bolts 2-122.000050.8000122.1171 59/64 in
Hex Tap Bolts 2-4 1/22.000050.80004.55.6441 25/32 in
Hex Tap Bolts M52x52.047252.0000~65.00047 mm
Hex Tap Bolts M56x5.52.204756.0000~55.50050.5 mm
Hex Tap Bolts M60x5.52.362260.0000~55.50054.5 mm
Hex Tap Bolts M64x62.519764.0000~56.00058 mm
Hex Tap Bolts M68x62.677268.0000~56.00062 mm

 

Types of Bolts

 

Tap Bolt Application Industries

Sunflex Metal Industries are engaged in manufacturing of robust quality of Tap Bolt. These Tap Bolt are widely used in the following industries:

Tap Bolt Mining Industries
Tap Bolt Transport Industries- Rail and Road
Tap Bolt Construction Industries / Building Systems
Tap Bolt Manufacturing Industries
Tap Bolt Agriculture Industries
Tap Bolt Energy Industries
Tap Bolt Water Industries
Tap Bolt Automotive Industries
Tap Bolt Ship Building Industries
Tap Bolt Nuclear Power Plant
Tap Bolt Paper & Pulp Industries
Tap Bolt Sugar Industries
Tap Bolt Engineering Cement Industries
Tap Bolt Petro-Chemical Industries
Tap Bolt Food Industries
Tap Bolt Oil & Gas Industries
Tap Bolt Chemical & Pharmaceutical Industries

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