Shop Clear All | Tri-Groove Security Nuts | Tri-Groove Installation Sockets | Breakaway Nuts | Security Screws | 316 Stainless Steel | 304 Stainless Steel | Zamak 5 | #10-32 | #10-24 | 1/4"-20 | 5/16"-18 | M8-1.25 | 3/8"-16 | 1/2"-13 | Black Oxide Carbon Steel | Chrome-Plated Carbon Steel | Categories Categories All Tri-Groove Security Nuts Tri-Groove Installation Sockets Breakaway Nuts Security Screws 316 Stainless Steel 304 Stainless Steel Zamak 5 #10-32 #10-24 1/4"-20 5/16"-18 M8-1.25 3/8"-16 1/2"-13 Black Oxide Carbon Steel Chrome-Plated Carbon Steel Filters Filter Clear Filter #10-24 Tri-Groove Tamper-Resistant Security Nuts from $9.99 Select Pack Quantity 2-Pack - $9.99 5-Pack - $14.99 8-Pack - $21.99 12-Pack - $29.99 25-Pack - $48.99 50-Pack - $89.99 100-Pack - $169.99 Add To Cart Added! #10-32 Tri-Groove Tamper-Resistant Security Nuts from $9.99 Select Pack Quantity 2-Pack - $9.99 5-Pack - $14.99 8-Pack - $21.99 12-Pack - $29.99 25-Pack - $48.99 50-Pack - $89.99 100-Pack - $169.99 Add To Cart Added! 1/4"-20 Tri-Groove Tamper-Resistant Security Nuts from $9.99 Select Pack Quantity 2-Pack - $9.99 5-Pack - $14.99 8-Pack - $21.99 12-Pack - $29.99 25-Pack - $48.99 50-Pack - $89.99 100-Pack - $169.99 Add To Cart Added! 1/4"-20 Tri-Groove Security Nuts – 316 Stainless Steel from $14.99 Select Pack Quantity 2-Pack - $14.99 5-Pack - $22.99 8-Pack - $29.99 12-Pack - $42.99 25-Pack - $74.99 50-Pack - $134.99 100-Pack - $239.99 Add To Cart Added! 5/16-18 Tri-Groove Tamper-Resistant Security Nuts from $9.99 Select Pack Quantity 2-Pack - $9.99 5-Pack - $16.99 8-Pack - $22.99 12-Pack - $29.99 25-Pack - $49.99 50-Pack - $89.99 100-Pack - $165.99 Add To Cart Added! M8- 1.25 Tri-Groove Tamper-Resistant Security Nuts from $9.99 Select Pack Quantity 2-Pack - $9.99 5-Pack - $14.99 8-Pack - $21.99 12-Pack - $29.99 25-Pack - $48.99 50-Pack - $89.99 100-Pack - $169.99 Add To Cart Added! 3/8"-16 Tri-Groove Tamper-Resistant Security Nuts from $9.99 Select Quantity 2-Pack - $9.99 5-Pack - $16.99 8-Pack - $22.99 12-Pack - $29.99 25-Pack - $49.99 50-Pack - $89.99 100-Pack - $165.99 Add To Cart Added! 3/8"-16 Tri-Groove Security Nuts – 316 Stainless Steel from $14.99 Select Pack Quantity 2-Pack - $14.99 5-Pack - $22.99 8-Pack - $29.99 12-Pack - $39.99 25-Pack - $74.99 50-Pack - $134.99 100-Pack - $239.99 Add To Cart Added! 1/2"-13 Tri-Groove Tamper-Resistant Security Nuts from $9.99 Select Pack Quantity 2-Pack - $9.99 5-Pack - $14.99 8-Pack - $21.99 12-Pack - $29.99 25-Pack - $48.99 50-Pack - $89.99 100-Pack - $169.99 Add To Cart Added! #10 Tri-Groove Installation Socket for #8-32, #10-24, #10-32 & 1/4-20 Security Screws from $30.00 Select PACK QUANTITY 1 Piece - $30.00 2-Pack - $54.00 - SAVE $4 3-Pack - $78.00 - SAVE $12 4-Pack - $96.00 - SAVE $24 Add To Cart Added! #20 Tri-Groove Installation Socket for #10-24, #10-32, 1/4-20, 1/4-32 & M6 Security Nuts from $38.00 Select PACK QUANTITY 1 Piece - $38.00 2-Pack - $72.00 - SAVE $4 3-Pack - $102.00 - SAVE $12 4-Pack - $128.00 - SAVE $24 Add To Cart Added! #30 Black Oxide Tri-Groove Installation Socket for 5/16-18, 3/8-16, 7/16-14, M8 & M10 Security Nuts from $44.00 Select Pack Quantity 1 Piece Socket Only - $44.00 2-Pack - $84.00 - SAVE $4 3-Pack - $120.00 - SAVE $12 4-Pack - $152.00 - SAVE $24 Add To Cart Added! #40 Tri-Groove Installation Socket for 1/2-13, M12 & M14 Security Nuts from $48.00 Select Quantity 1 piece - $48.00 2-Pack - $92.00 - SAVE $4 3-Pack - $132.00 - SAVE $12 4-Pack - $168.00 - SAVE $24 Add To Cart Added! #30 Chrome Tri-Groove Installation Socket for 5/16-18, 3/8-16, 7/16-14, M8 & M10 Security Nuts from $44.00 Select Quantity 1 Piece - $44.00 2-Pack - $84.00 - SAVE $4 3-Pack - $120.00 - SAVE $12 4-Pack - $152.00 - SAVE $24 Add To Cart Added! #40 Chrome Tri-Groove Installation Socket for 1/2-13, M12 & M14 Security Nuts from $48.00 Select Pack Quantity 1 Piece - $48.00 2-Pack - $92.00 - SAVE $4 3-Pack - $132.00 - SAVE $12 4-Pack - $168.00 - SAVE $24 Add To Cart Added! #40 Deep-Well Tri-Groove Installation Socket Tool – 2" Long from $55.00 Select Quantity Pack 1 Piece - $55.00 2-Pack - $105.00 SAVE $5 3-Pack - $150.00 - SAVE $15 4-Pack - $192.00 - SAVE $28 Add To Cart Added! #8-32 x 1/2" Tri-Groove Security Screws – Zinc-Plated Steel, 8 or 12 Pack from $5.99 Select Pack Quantity 8-PACK - $5.99 12-PACK - 8.99 Add To Cart Added! 1/4"-20 Break-Away Shear Nuts – Zamak 5 Tamper-Resistant Security Fasteners from $4.99 Select Pack Quantity 2-Pack - $4.99 5-Pack - $8.99 8-Pack - $11.99 12-Pack - $14.99 25-Pack - $26.99 50-Pack - $47.99 100-Pack - $84.99 Add To Cart Added! 5/16"-18 Break-Away Shear Nuts – Zamak 5 Tamper-Resistant Security Fasteners from $6.99 Select Pack Quantity 2-Pack - $6.99 5-Pack - $10.99 8-Pack - $14.99 12-Pack - $18.99 25-Pack - $34.99 50-Pack - $59.99 100-Pack - $104.99 Add To Cart Added! 5/16"-18 Break-Away Shear Nuts – 304 Stainless Steel Tamper-Resistant Security Fasteners from $8.99 Select Pack Quantity 2-Pack - $6.99 5-Pack - $10.99 8-Pack - $14.99 12-Pack - $18.99 25-Pack - $34.99 50-Pack - $59.99 100-Pack - $104.99 Add To Cart Added! 3/8"-16 Break-Away Shear Nuts – Zamak 5 Tamper-Resistant Security Fasteners from $6.99 Select Pack Quantity 2-Pack - $6.99 5-Pack - $10.99 8-Pack - $14.99 12-Pack - $18.99 25-Pack - $34.99 50-Pack - $59.99 100-Pack - $104.99 Add To Cart Added! 3/8"-16 Break-Away Shear Nuts – 304 Stainless Steel Tamper-Resistant Security Fasteners from $10.99 Select Pack Quantity 2-Pack - $10.99 5-Pack - $19.99 8-Pack - $27.99 12-Pack - $36.99 25-Pack - $69.99 50-Pack - $129.99 100-Pack - $239.99 Add To Cart Added! 1/2"-13 Break-Away Shear Nuts – Zamak 5 Tamper-Resistant Security Fasteners from $7.99 Select Pack Quantity 2-Pack - $7.99 5-Pack - $14.99 8-Pack - $20.99 12-Pack - $26.99 25-Pack - $48.99 50-Pack - $89.99 100-Pack - $169.99 Add To Cart Added! 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