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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

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

Stainless Steel Flat Washer DIN 125A M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16 M20
$4.53 to $71.45

Stainless Steel Nylon Insert Hex Lock Nut - M2.5 M3 M4 M5 M6 M8 M10 M12 DIN 985
$4.75 to $112.24

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

M6 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 1.0 Coarse
$5.63 to $106.23

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

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

#10 Max Drive 6-Lobe Outdoor Wood Decking / Fencing Screws SKT Coating ACQ
$7.91 to $166.93

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

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

M6 Socket Head Cap Screws, 12.9 Alloy Steel w/ Black Oxide DIN 912, Coarse 1.0
$5.05 to $136.61

US / Inch - Stainless Steel Flat Washers, A2 (18-8) - #2 #4 #6 #8 #10 1/4" 5/16"
$4.62 to $88.19

Serrated Hex Flange Lock Nuts DIN 6923, A2 Stainless Steel - M4 M5 M6 M8 M10 M12
$4.99 to $78.27

M4 Flat Head Socket Cap Screws, 12.9 Steel w/ Black Oxide DIN 7991, 0.70 Coarse
$5.04 to $71.08

M8 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 1.25 Coarse
$7.31 to $101.00

#10 Stainless Steel Self-Drilling Sheet Metal / TEK Screws, Hex Washer Head 410
$10.76 to $182.14

Nylon Insert Lock Nuts Steel w/ Black Oxide - M3 M4 M5 M6 M8 M10 DIN 985 Class 8
$5.14 to $86.28

M6 Stainless Steel Button Head Socket Cap Screws A2, Metric ISO 7380 1.0 Coarse
$5.49 to $119.49

M4 / 4mm Phillips Pan Head Machine Screws, Stainless Steel A2, DIN 7985, 5-65mm
$4.65 to $38.24

M3 / 3mm Phillips Pan Head Machine Screws, Stainless Steel A2, DIN 7985, 4-50mm
$4.45 to $15.83

Finished Hex Nuts Grade 8 Zinc Yellow CR+6 - 1/4, 5/16, 3/8, 7/16 Coarse & Fine
$5.75 to $107.92

US / Inch - Fender (Penny) Washers, Zinc Plated Steel - #10 (3/16"), 1/4", 5/16"
$4.82 to $175.84

Stainless Steel Fender (Penny) Washers, A2 DIN 9021 - M3 M4 M5 M6 M8 M10 M12
$4.42 to $68.49

M3 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 0.50 Coarse
$4.68 to $19.07

M8 Stainless Steel Button Head Socket Cap Screws A2, Metric ISO 7380 1.25 Coarse
$7.02 to $90.31

Regular Split Lock Washer, Zinc Plated Steel #4 #6 #8 #10 1/4" 5/16" SAE US Inch
$4.37 to $28.46

A4 Marine Grade Stainless Steel Flat Washer, DIN 125A M2 M2.5 M3 M4 M5 M6 M8 M10
$4.57 to $25.51

1/4-20 Stainless Steel Carriage Bolts, Grade 18-8, Available in 1/2" to 6" long
$6.97 to $85.06

5/16"-18 Stainless Steel Hex Cap / Tap Bolts Screws SAE Coarse Thread 18-8 / A2
$6.59 to $55.22

#10-32 Cup Point Socket Set Screws, Fine Thread SAE Alloy Steel w/ Black Oxide
$4.84 to $32.21

Steel Hex Nuts w/ Plain Finish, DIN 934 Class 10 - Metric M3 M4 M5 M6 M8 M10
$4.37 to $54.90

#6-32 Socket Head Cap Screws, Alloy Steel w/ Black Oxide, US SAE Coarse Thread
$5.06 to $32.60

M4 / 4mm Phillips Pan Head Machine Screws, Steel, Black Oxide, DIN 7985A Metric
$5.43 to $121.28

Hex Machine Screw Nuts Steel w/ Black Oxide - 2-56 4-40 6-32 8-32 10-24 10-32
$4.55 to $12.82

M6 Button Head Socket Cap Screws, 12.9 Steel w/ Black Ox ISO 7380, 1.0 Coarse
$5.17 to $87.52

1/4-20 Flat Head Socket Caps Screws, Alloy Steel Black Oxide SAE Countersunk 82°
$5.16 to $23.93

#6-32 Flat Head Socket Caps Screws, 82° Countersunk Alloy Steel Black Oxide SAE
$4.79 to $45.34

M5 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 0.80 Coarse
$5.40 to $30.42

OptiSeal Heat Shrink Crimp Step-Down Butt Connectors, Crystal Clear Sealed NSPA
$11.85 to $101.16

1/4-20 Stainless Steel Button Head Socket Cap Screws, SAE Coarse Thread 18-8 A2
$5.54 to $27.39

Metric Stainless Steel Split Lock Washers DIN 127B - M2 M2.5 M3 M4 M5 M6 M8 M10
$4.45 to $20.60

#10-32 Phillips Pan Head Screws, Stainless Steel 18-8, Various Lengths, UNF/Fine
$4.98 to $169.79

#10 Tek Roofing Screws, HWH w/ Bonded EPDM Washer, Zinc #3 Point Self-Drilling
$7.41 to $41.83

M5 Button Head Socket Cap Screws, 12.9 Steel w/ Black Ox ISO 7380, 0.80 Coarse
$5.39 to $41.18

M6 / 6mm Phillips Pan Head Machine Screws, Stainless Steel A2, DIN 7985, 8-70mm
$5.13 to $76.83

#10-32 Button Head Socket Cap Screws, Alloy Steel w/ Black Oxide, US SAE Fine
$4.93 to $14.28
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 (225,174)
- 0***2 (905)- 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 (1383)- 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
- i***t (21)- Feedback left by buyer.Past 6 monthsVerified purchaseAAA Seller. Product came in good condition, well identified/packaged. Good communication. Thank you.
- g***r (2618)- Feedback left by buyer.Past 6 monthsVerified purchaseSuper quick shipping. Packed really well, super price and superb communication. It doesn't get any better than that!!.. 5 STARS *****
- n***1 (1089)- Feedback left by buyer.Past 6 monthsVerified purchaseItem was received, but was found to be defective. When I brought the defects to his attention, he immediately refunded me the full purchase price, this was despite the fact I did not ask for a refund. In all, Outstanding seller great service.
- r***e (68)- Feedback left by buyer.Past monthVerified purchaseItems as described; well packaged and fast shipping. Good communication also; many thanks!!