Class 8.8 Hex Head Cap Screws
When you need Grade 5 equivalent clamp load in metric builds, grab Class 8.8 hex head cap screws. Heat treated steel and zinc plating hold up in everyday shop corrosion while keeping torque consistent. Choose coarse for general assembly, fine or very fine for tighter engagement and vibration, or JIS fully threaded to match Japanese equipment.
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Metric 8.8 Hex Head Cap Screw
Metric 8.8 coarse-thread hex head cap screws made from heat-treated alloy steel. Available with zinc-plated or black oil-dipped finishes, hex head drive and coarse metric threads. Class 8.8 construction provides higher tensile strength for general-purpose structural fastening.
Thread Type: Coarse
| Item # | Diameter | Length | Thread Size | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
450308
|
M3
|
M3 x 0.5
|
50 | Log in to view price | ||
|
|
450408
|
M4
|
M4 x 0.7
|
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|
|
450508
|
M5
|
M5 x 0.8
|
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|
|
450608
|
M6
|
M6 x 1.0
|
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|
|
450712
|
M7
|
M7 x 1.0
|
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|
|
450812
|
M8
|
M8 x 1.25
|
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|
|
451016
|
M10
|
M10 x 1.5
|
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|
|
451216
|
M12
|
M12 x 1.75
|
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|
|
451420
|
M14
|
M14 x 2.0
|
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|
|
451620
|
M16
|
M16 x 2.0
|
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|
|
451830
|
M18
|
M18 x 2.5
|
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|
|
452025
|
M20
|
M20 x 2.5
|
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|
|
452440
|
M24
|
M24 x 3.0
|
1 | Log in to view price |
Thread Type: Fine
| Item # | Diameter | Length | Thread Size | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
450916
|
M8
|
M8 x 1.0
|
25 | Log in to view price | ||
|
|
451116
|
M10
|
M10 x 1.25
|
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|
|
451320
|
M12
|
M12 x 1.5
|
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|
|
451530
|
M14
|
M14 x 1.5
|
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|
|
451730
|
M16
|
M16 x 1.5
|
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Thread Type: Very Fine
| Item # | Diameter | Length | Thread Size | Package Qty | |||
|---|---|---|---|---|---|---|---|
|
|
451200
|
M10
|
M10 x 1.0
|
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|
|
451401
|
M12
|
M12 x 1.25
|
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JIS 8.8 Hex Head Cap Screws
JIS hex head cap screws made from heat‑treated alloy steel, Grade 8.8 with zinc plating. Metric threads (1.25 pitch) in M8 to M12 diameters and varied lengths. High tensile strength provides durable clamping and zinc finish helps resist corrosion for general mechanical assemblies.
| Item # | Diameter | Length | Thread Size | Thread Type | Package Qty | |||
|---|---|---|---|---|---|---|---|---|
|
|
458816
|
M8
|
M8 x 1.25
|
Coarse
|
25
|
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|
|
459020
|
M10
|
M10 x 1.25
|
Fine
|
25
|
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|
|
459220
|
M12
|
M12 x 1.25
|
Very Fine
|
25
|
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311 options | Item #:
450308
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27 options | Item #:
458816
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