Featured categories
All items
Stainless Steel Nylon Insert Hex Lock Nuts 4-40 6-32 8-32 10-32 1/4-20 5/16, 3/8
$4.77 to $157.79
Stainless Steel Flat Washer DIN 125A M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16 M20
$4.53 to $71.45
1/4", 5/16" & 3/8" Stainless Steel Fender Washers 304 A2 - OD 1", 1-1/4", 1-1/2"
$5.52 to $137.49
Stainless Steel Nylon Insert Hex Lock Nut - M2.5 M3 M4 M5 M6 M8 M10 M12 DIN 985
$4.75 to $112.24
E-Z Hex Flanged Threaded Inserts for Soft Wood - 8-32, 10-24, 1/4-20, 5/16, 3/8
$6.75 to $171.08
Metric Stainless Steel Hex Nuts DIN 934 M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10 M12 M14
$4.51 to $82.58
Split Lock Washers Thru Hardened Alloy, Zinc Yellow 1/4, 5/16, 3/8, 7/16 1/2 3/4
$5.42 to $383.19
F436 Structural Flat Washers Zinc Yellow 1/4, 5/16, 3/8, 7/16, 1/2, 9/16 5/8 3/4
$5.07 to $166.18
Stainless Steel Fender (Penny) Washers, A2 DIN 9021 - M3 M4 M5 M6 M8 M10 M12
$4.42 to $68.49
M6 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 1.0 Coarse
$5.63 to $106.23
M6 Stainless Steel Button Head Socket Cap Screws A2, Metric ISO 7380 1.0 Coarse
$5.49 to $119.49
#10 Max Drive 6-Lobe Outdoor Wood Decking / Fencing Screws SKT Coating ACQ
$7.91 to $166.93
M6 Socket Head Cap Screws, 12.9 Alloy Steel w/ Black Oxide DIN 912, Coarse 1.0
$5.05 to $136.61
Serrated Hex Flange Lock Nuts DIN 6923, A2 Stainless Steel - M4 M5 M6 M8 M10 M12
$4.99 to $78.27
Stainless Steel Finished Hex Nuts, 1/4-20, 1/4-28, 5/16-18 5/16-24 3/8-16 3/8-24
$5.40 to $99.45
M5 Flat Head Socket Cap Screws, 12.9 Steel w/ Black Oxide DIN 7991, 0.80 Coarse
$5.12 to $87.83
#10 Stainless Steel Self-Drilling Sheet Metal / TEK Screws, Hex Washer Head 410
$10.76 to $182.14
#12 Stainless Steel HWH w Bonded EPDM Washer, Self Drilling / Tek Roofing Screws
$10.80 to $403.37
US / Inch - SAE Flat Washers, Cr+3 Zinc Plated Steel, #4 #6 #8 #10 1/4 5/16 3/8"
$4.58 to $54.17
M5 Socket Head Cap Screws, 12.9 Alloy Steel w/ Black Oxide DIN 912, Coarse 0.80
$5.02 to $44.32
M8 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 1.25 Coarse
$7.31 to $101.00
M5 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 0.80 Coarse
$5.40 to $30.42
M6 Button Head Socket Cap Screws, 12.9 Steel w/ Black Ox ISO 7380, 1.0 Coarse
$5.17 to $87.52
M8 Stainless Steel Button Head Socket Cap Screws A2, Metric ISO 7380 1.25 Coarse
$7.02 to $90.31
M3 Socket Head Cap Screws, 12.9 Alloy Steel w/ Black Oxide DIN 912, Coarse 0.50
$5.02 to $31.43
Finished Hex Nuts Grade 8 Zinc Yellow CR+6 - 1/4, 5/16, 3/8, 7/16 Coarse & Fine
$5.75 to $107.92
1/4-28 Socket Head Cap Screws, Alloy Steel w/ Black Oxide, US SAE Fine Thread
$5.58 to $39.39
1/4-20 Hex Cap Screws / Tap Bolts, Zinc Yellow Grade 8 Alloy Steel Coarse Thread
$5.38 to $34.65
M3 Button Head Socket Cap Screws, 12.9 Steel w/ Black Ox ISO 7380, 0.50 Coarse
$5.16 to $20.23
Serrated Hex Flange Lock Nuts, Case Hardened Zinc - 6-32 8-32 10-24 10-32 1/4-20
$5.74 to $89.87
US / Inch - Stainless Steel Flat Washers, A2 (18-8) - #2 #4 #6 #8 #10 1/4" 5/16"
$4.62 to $88.19
M3 Stainless Steel Button Head Socket Cap Screws A2, Metric ISO 7380 0.50 Coarse
$4.54 to $11.88
Metric Hex Keys Short Arm 6150 Alloy Steel, M0.9 M1.5 M2 M2.5 M3 M4 M5 M6 M8 M10
$4.40 to $152.23
M8 Socket Head Cap Screws, 12.9 Alloy Steel w/ Black Oxide DIN 912, Coarse 1.25
$6.10 to $47.57
M4 / 4mm Phillips Pan Head Machine Screws, Stainless Steel A2, DIN 7985, 5-65mm
$4.65 to $38.24
#8-32 Stainless Steel Button Head Socket Cap Screws, SAE Coarse Thread 18-8 A2
$4.76 to $25.03
Stainless Steel Hex Coupling Nuts, A2 / 18-8 DIN 6334 - Metric M5 M6 M8 M10 M12
$10.74 to $251.02
1/4-20 Stainless Steel Button Head Socket Cap Screws, SAE Coarse Thread 18-8 A2
$5.54 to $27.39
Steel Hex Nuts w/ Plain Finish, DIN 934 Class 10 - Metric M3 M4 M5 M6 M8 M10
$4.37 to $54.90
Regular Split Lock Washer, Zinc Plated Steel #4 #6 #8 #10 1/4" 5/16" SAE US Inch
$4.37 to $28.46
Nylon Insert Lock Nuts Steel w/ Black Oxide - M3 M4 M5 M6 M8 M10 DIN 985 Class 8
$5.14 to $86.28
M3 Flat Head Socket Cap Screws, 12.9 Steel w/ Black Oxide DIN 7991, 0.50 Coarse
$5.15 to $50.93
M5 Stainless Steel Button Head Socket Cap Screws A2, Metric ISO 7380 0.80 Coarse
$5.06 to $37.23
M2.5 / 2.5mm Phillips Pan Head Machine Screws, Stainless Steel A2, DIN 7985
$4.50 to $24.11
M6 Hex Cap Bolts / Screws, A2 Stainless Steel, 1.0 Coarse DIN 933 931 Tap 18-8
$5.39 to $31.61
1/4-20 Button Head Socket Cap Screws, Alloy Steel w/ Black Oxide, US SAE Coarse
$4.96 to $27.02
1/4-20 Stainless Steel Carriage Bolts, Grade 18-8, Available in 1/2" to 6" long
$6.97 to $85.06
A4 Marine Grade Stainless Steel Flat Washer, DIN 125A M2 M2.5 M3 M4 M5 M6 M8 M10
$4.57 to $25.51
About us
Welcome to the official Monster Bolts eBay Store. Formerly named Diablo-Tuning.
Monster Bolts was born and raised in the information age to meet the current and future needs of our customers. This is not your grandparents' antiquated local hardware store. Monster Bolts is a global fastener superstore with massive goals for the near and long term. Currently we are supplying full lines of Alloy Steel and Stainless Steel with an ever-growing Titanium fastener line. We have partnered with the biggest names in the field and offer incredibly competitive pricing, near-instant shipping and industry-leading customer service.
Monster Bolts was born and raised in the information age to meet the current and future needs of our customers. This is not your grandparents' antiquated local hardware store. Monster Bolts is a global fastener superstore with massive goals for the near and long term. Currently we are supplying full lines of Alloy Steel and Stainless Steel with an ever-growing Titanium fastener line. We have partnered with the biggest names in the field and offer incredibly competitive pricing, near-instant shipping and industry-leading customer service.
Seller feedback (225,704)
- e***o (969)- Feedback left by buyer.Past monthVerified purchaseQuality washers, new condition as listed, good price. Excellent seller communication and service, seller shipped items fast though they were delayed in transit. Great seller and highly recommend them.
- e***t (283)- Feedback left by buyer.Past monthVerified purchaseQuick shipping, and well-packaged! Item as described and at a nice price! Recommending this seller!
- 0***2 (908)- Feedback left by buyer.Past 6 monthsVerified purchaseItem As Described, First Package Got Lost But CS Sent Replacement Right Away, Pricey But Grade5 Ti, A+++ Seller
- u***2 (1394)- Feedback left by buyer.Past 6 monthsVerified purchaseGot it Thanks!!! Very fast shipper Very Well packed will buy from again Everything here with seller was A-OK As described New and great value
- d***t (594)- Feedback left by buyer.Past monthVerified purchasehey, here i am a third time ... Bought multiple items from Monster Bolts Fasteners. Great prices Exactly as described. Great to deal with people who care about service and products . Everything is perfect. Great communication . High quality stainless. I am very happy with this transaction, If you want to be happy ... and are tired of chasing your tail trying to find those nuts and bolts, shop here with Monster Bolts Fasteners. Check with them, 99% they have it. AAA+++
- i***t (21)- Feedback left by buyer.Past 6 monthsVerified purchaseAAA Seller. Product came in good condition, well identified/packaged. Good communication. Thank you.