Security Screws

Security Screws | Tamper Proof Screws | Cromwell Tools

Fasteners & Fixings

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Screws & Bolts

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Security Screw, Metric - A2 Stainless Grade 70 - Button Head
DIN 912-TX Pin

M6x20 A2 ST/ST TAMPER TX BUTTON M/C SCREW

M8x20 A2 ST/ST TAMPER TX BUTTON M/C SCREW

M6x16 A2 ST/ST TAMPER TX BUTTON M/C SCREW

A2 Stainless Steel - Countersunk 
Pin Hex security screws with internal pin within the socket - prevents the use of standard hex keys. Suitable for medium torque applications.

Security Screw, Metric - A2 Stainless - Hex Countersunk Flat Head - DIN 912-Hex Pin

M4x16 A2 ST/ST PIN HEX CSK M/C SCREW

M5x30 A2 ST/ST TAMPER TX BUTTON M/C SCREW

A2 Stainless Steel
A high security permanent nut fastening. The hexagonal part of the nut shears off at a predetermined torque (as only the cone is threaded) leaving a 
tamper resistant cone fastening behind.

Shear Nuts

M6-SW10 SECURITY SHEAR NUT A2

A2 Stainless Steel - Button Head
Pin Hex security screws with internal pin within the socket - prevents the use of standard hex keys. Suitable for medium torque applications.

Security Screw, Metric - A2 Stainless - Hex Button Head - DIN 912-Hex Pin

M4x20 A2 ST/ST PIN HEX BUTTON M/C SCREW

M6x12 A2 ST/ST PIN HEX BUTTON M/C SCREW

M6x16 A2 ST/ST PIN HEX BUTTON M/C SCREW

M6x60 A2 ST/ST PIN HEX BUTTON M/C SCREW

M8x20 A2 ST/ST PIN HEX BUTTON M/C SCREW

M5x12 A2 ST/ST PIN HEX CSK M/C SCREW

M8x16 A2 ST/ST PIN HEX CSK M/C SCREW

M4x8 A2 ST/ST TAMPER TX BUTTON M/C SCREW

M4x12 A2 ST/ST TAMPER TX BUTTON M/C SCREW

M4x30 A2 ST/ST TAMPER TX BUTTON M/C SCREW

M5x16 A2 ST/ST TAMPER TX BUTTON M/C SCREW

M6x50 A2 ST/ST TAMPER TX BUTTON M/C SCREW

M8x25 A2 ST/ST TAMPER TX BUTTON M/C SCREW

M10x40 A2 ST/ST TAMPER TX BUTTON M/C SCREW

Tamper Proof Countersunk Head Screw
Hex With Pin
Stainless Steel A2
Metric

Tamper Proof Countersunk Head Screw - Hex With Pin - Stainless Steel A2 - Metric

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Security Screws

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M6x20 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M8x20 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M6x16 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M4x16 A2 ST/ST PIN HEX CSK M/C SCREW

32 Variations

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M5x30 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M6-SW10 SECURITY SHEAR NUT A2

4 Variations

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M4x20 A2 ST/ST PIN HEX BUTTON M/C SCREW

50 Variations

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M6x12 A2 ST/ST PIN HEX BUTTON M/C SCREW

50 Variations

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M6x16 A2 ST/ST PIN HEX BUTTON M/C SCREW

50 Variations

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M6x60 A2 ST/ST PIN HEX BUTTON M/C SCREW

50 Variations

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M8x20 A2 ST/ST PIN HEX BUTTON M/C SCREW

50 Variations

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M5x12 A2 ST/ST PIN HEX CSK M/C SCREW

32 Variations

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M8x16 A2 ST/ST PIN HEX CSK M/C SCREW

32 Variations

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M4x8 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M4x12 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M4x30 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M5x16 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M6x50 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M8x25 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M10x40 A2 ST/ST TAMPER TX BUTTON M/C SCREW

41 Variations

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M5x25 A2 ST/ST TAMPER TX CSK M/C SCREW

21 Variations

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M4x12 A2 ST/ST PIN HEX BUTTON M/C SCREW

50 Variations

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M5x12 A2 ST/ST PIN HEX BUTTON M/C SCREW

50 Variations

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M5x40 A2 ST/ST PIN HEX BUTTON M/C SCREW

50 Variations

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