SPE-#8-32-C_Plastic Screw - Hex Socket Head Cap Screw - Inch Thread - PEEK|NBK

Dimension Drawing

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♯Nominal: All; No.8-32UNC

L: All; 1/4"; 5/16"; 3/8"; 1/2"; 5/8"; 3/4"; 7/8"; 1"

Unit : inch

Part Number	♯Nominal	L	D₁	L₁	B	Tension Rupture Load (N)^＊1	Torsional Torque (N·m)^＊1	Qty per Pack	Mass (g)	Price (USD)	CAD	Standard
SPE-#8-32-1/4-C	No.8-32UNC	1/4	0.270	0.164	9/64	703	0.62	10	0.21	23.62	CAD	Cart
SPE-#8-32-5/16-C	No.8-32UNC	5/16	0.270	0.164	9/64	703	0.62	10	0.24	24.56	CAD	Cart
SPE-#8-32-3/8-C	No.8-32UNC	3/8	0.270	0.164	9/64	703	0.62	10	0.26	25.35	CAD	Cart
SPE-#8-32-1/2-C	No.8-32UNC	1/2	0.270	0.164	9/64	703	0.62	10	0.29	26.28	CAD	Cart
SPE-#8-32-5/8-C	No.8-32UNC	5/8	0.270	0.164	9/64	703	0.62	10	0.31	27.23	CAD	Cart
SPE-#8-32-3/4-C	No.8-32UNC	3/4	0.270	0.164	9/64	703	0.62	10	0.34	29.60	CAD	Cart
SPE-#8-32-7/8-C	No.8-32UNC	7/8	0.270	0.164	9/64	703	0.62	10	0.37	32.26	CAD	Cart
SPE-#8-32-1-C	No.8-32UNC	1	0.270	0.164	9/64	703	0.62	10	0.40	34.61	CAD	Cart

＊1：　Values in chart are for reference only. They are not guaranteed values. The recommended tightening torque is 50% of the torsional torque.

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Material/Finish

	SPE-C(INCH)
Main Body	PEEK / Light Brown
Heat Resistance Temperature＊1	180℃

＊1：　This is the value for the resin material. The operating temperature of the product changes with performance conditions such as tightening torque.

Application

FPD production equipment / Semiconductor devices / Printed circuit board etching devices /
Metallic surface treatment equipment and facilities / Chemical plants / Transformers / Electrical and electronic equipment / Hot water pumps /
Chemical pumps

Characteristics

Inch screw type.
PEEK is a thermoplastic super engineering plastic superior in physical and chemical properties.
Excellent chemical resistance. It remains almost unaffected by chemicals other than concentrated sulfuric acid, concentrated nitric acid, and concentrated hydrofluoric acid.
With excellent heat resistance and water resistance, it retains strength at high temperatures.
It features outstanding resistance to wear, shock, and fatigue.
It also has high flame retardance which clears the UL 94 V-0 standard.
Plastic screw properties and precautions for use ⇒Plastic Screws

Precautions for Use

Because a cumulative pitch difference is created when PEEK screws are manufactured, use these screws with nuts. If a nut is not used, use a 20 mm (approx. 0.79") or less fit with female thread.

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Rotation shaft vibration must be suppressed 【Productivity increase】

Servomotor hunting must be suppressed 【Productivity increase】

Screws in places unreachable by hand need to be tightened 【Workability / maintenance】

Stainless steel screws must be prevented from galling / seizing 【Workability / maintenance】

Removing stripped screws 【Workability / maintenance】

Countermeasures for screw loosening are required 【Safety / precautionary measures】

Theft / tampering countermeasures are required 【Safety / precautionary measures】

Improvement points for FA Devices【Drive Design】

Disturbances / vibrations must be suppressed 【Safety / precautionary measures】

Improvement points for FA Devices【Control Design】

Machining marks must be prevented 【Energy-saving / reduced work-hours】

Screws must be protected from chemicals 【Energy-saving / reduced work-hours】

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Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

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Improved coupling insulation properties are required 【Compact / lightweight】

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Improvement points for FA Devices【Unit Design】

Rotation shaft vibration must be suppressed 【Productivity increase】

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Shaft radial load must be suppressed 【Automation / robots / motorization】

Machining marks must be prevented 【Energy-saving / reduced work-hours】

Rotation shaft vibration must be suppressed 【Productivity increase】

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Shaft radial load must be suppressed 【Automation / robots / motorization】

Machining marks must be prevented 【Energy-saving / reduced work-hours】

Rotation shaft vibration must be suppressed 【Productivity increase】

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