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Stainless Steel Flat Washer DIN 125A M2 M2.5 M3 M4 M5 M6 M8 M10 M12 M14 M16 M20
£4.59 to £54.11

M3 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 0.50 Coarse
£4.70 to £15.35

M4 Flat Head Socket Cap Screws, 12.9 Steel w/ Black Oxide DIN 7991, 0.70 Coarse
£4.97 to £97.24

1/4-20 Flat Head Socket Caps Screws, Alloy Steel Black Oxide SAE Countersunk 82°
£5.05 to £18.94

1/4-20 Stainless Steel Carriage Bolts, Grade 18-8, Available in 1/2" to 6" long
£6.39 to £64.18

#4-40 Phillips Pan Head Screws, Stainless Steel A2, Various Lengths, UNC/Coarse
£4.64 to £8.32

Metric Zinc Hex Serrated Flange Lock Nuts DIN 6923 Class 8 - M4 M5 M6 M8 M10 M12
£4.69 to £64.86

#10-24 Stainless Steel Button Head Socket Cap Screws, SAE Coarse Thread 18-8 A2
£4.85 to £17.38

M6 Stainless Steel Button Head Socket Cap Screws A2, Metric ISO 7380 1.0 Coarse
£5.30 to £89.66

M3 Stainless Steel Phillips Flat Head Countersunk Machine Screws A2 18-8 DIN 965
£4.70 to £13.98

M6 Socket Head Cap Screws, 12.9 Alloy Steel w/ Black Oxide DIN 912, Coarse 1.0
£4.97 to £102.33

5/16-18 Socket Head Cap Screws, 18-8 (A2) Stainless Steel, SAE Coarse Thread
£6.64 to £66.88

M6 Flat Head Socket Cap Screws, 12.9 Steel w/ Black Oxide DIN 7991, 1.0 Coarse
£5.14 to £47.31

M6 / 6mm Phillips Pan Head Machine Screws, Stainless Steel A2, DIN 7985, 8-70mm
£5.03 to £58.09

1/4-28 Button Head Socket Cap Screws, Alloy Steel w/ Black Oxide, US SAE Fine
£5.11 to £29.14

#6-40 Flat Head Socket Caps Screws, 82° Countersunk Alloy Steel Black Oxide SAE
£5.05 to £10.22

M3 Stainless Steel Flat Head Socket Cap Screws A2, Metric DIN 7991 0.50 Coarse
£4.66 to £10.35

#8-32 Socket Head Cap Screws, Alloy Steel w/ Black Oxide, US SAE Coarse Thread
£5.03 to £18.37

M8 Flat Head Socket Cap Screws, 12.9 Steel w/ Black Oxide DIN 7991, 1.25 Coarse
£5.73 to £69.27

M6 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 1.0 Coarse
£5.40 to £79.85

#10-32 Phillips Pan Head Screws, Stainless Steel 18-8, Various Lengths, UNF/Fine
£4.92 to £126.89

#10-32 Button Head Socket Cap Screws, Alloy Steel w/ Black Oxide, US SAE Fine
£4.88 to £11.80

US / Inch - SAE Flat Washers, Cr+3 Zinc Plated Steel, #4 #6 #8 #10 1/4 5/16 3/8"
£4.63 to £41.32

M2.5 Socket Head Cap Screws 12.9 Alloy Steel w/ Black Oxide DIN 912, 0.45 Coarse
£5.18 to £15.13

5/16-18 Stainless Steel Button Head Socket Cap Screws, SAE Coarse Thread A2 18-8
£5.92 to £32.58

M4 / 4mm Phillips Pan Head Machine Screws, Steel, Black Oxide, DIN 7985A Metric
£5.25 to £90.99

#6-32 Socket Set Screws w/ Cup Point, Alloy Steel w/ Black Oxide, Coarse Inch
£4.82 to £16.38

M3 / 3mm Phillips Pan Head Machine Screws, Stainless Steel A2, DIN 7985, 4-50mm
£4.53 to £12.95

M3 Phillips Flat Head Countersunk Machine Screw, Steel w/ Black Oxide DIN 965
£4.75 to £11.93

M5 Socket Head Cap Screws, 12.9 Alloy Steel w/ Black Oxide DIN 912, Coarse 0.80
£4.95 to £34.03

#4-48 Cup Point Socket Set Screws, Alloy Steel w Black Oxide, US / Inch SAE Fine
£5.02 to £355.79

M6 Stainless Steel Phillips Flat Head Countersunk Machine Screws A2 18-8 DIN 965
£5.39 to £42.16

M8 Stainless Steel Socket Head Cap Screws, A2 / 18-8 Metric DIN 912, 1.25 Coarse
£6.65 to £75.98

M5 / 5mm Phillips Pan Head Machine Screws, Steel, Black Oxide, DIN 7985A Metric
£5.75 to £52.17

1/4-20 Hex Cap Screws / Tap Bolts, Zinc Yellow Grade 8 Alloy Steel Coarse Thread
£5.22 to £26.88

Metric Zinc Hex Flange Nuts DIN 6923 Class 8 Alloy Steel - M5 M6 M8 M10 M12
£4.66 to £64.56

M2 Stainless Steel Phillips Flat Head Countersunk Machine Screws A2 18-8 DIN 965
£4.60 to £8.43

M3 Socket Set Screws, Cup Point, 45H Black Alloy Steel, High-Strength DIN 916
£4.87 to £37.62

Metric E-Z Press Flush Brass Threaded Insert for Plastic - For M3, M4, M5, M6
£8.01 to £110.40

M8 Stainless Steel Flat Head Socket Cap Screws A2, Metric DIN 7991 1.25 Coarse
£6.29 to £72.12

1/4"-20 OAL - 3 Prong Tee Nut CR+3 Zinc Plated Steel T-Nut 5/16" or 7/16"
£5.20 to £30.02

M3 Flat Head Socket Cap Screws, 12.9 Steel w/ Black Oxide DIN 7991, 0.50 Coarse
£5.05 to £38.93

18-8 Stainless Steel Serrated Hex Flange Lock Nuts, 6-32 8-32 10-24 10-32 1/4-20
£6.42 to £64.53

#6 Zinc Tek Screws, Indent Hex Washer Head Unslotted, Self-Drilling Sheet Metal
£4.93 to £10.74

#12 Stainless Steel HWH w Bonded EPDM Washer, Self Drilling / Tek Roofing Screws
£9.23 to £299.74

5/16-18 Stainless Steel Carriage Bolts, Grade 18-8, Available in 5/8" to 7" long
£7.22 to £95.49

Silent / Noiseless guitar Tremolo springs - Halo Series for Floyd Rose & Similar
£18.63 to £27.07

M4 Phillips Flat Head Countersunk Machine Screw, Steel w/ Black Oxide DIN 965
£4.74 to £15.64
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 (229,773)
- e***2 (1847)- Feedback left by buyer.Past monthVerified purchaseThe first order was damaged in transit and the USPS delivered an empty bag in a USPS bag! I contacted Monster Bolts and they immediately sent out a replacement order and apologized for the problem!! You couldn't ask for better customer service. Well Done!
- s***1 (395)- Feedback left by buyer.Past 6 monthsVerified purchaseReceived multi-item discount. Items were well-packaged in a protective vinyl mailer, arrived in only three days in great shape, and were exactly as described...would highly recommend this conscientious seller.
- d***t (614)- Feedback left by buyer.Past 6 monthsVerified 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+++
- w***1 (81)- Feedback left by buyer.Past monthVerified purchaseI received exactly what I ordered, well packaged, and delivered by USPS with a tracking number. Brand new product in excellent condition and in manufacturer's original packaging. Great price and shipping, I'll gladly do business with this seller again!!
- e***o (1141)- Feedback left by buyer.Past 6 monthsVerified purchaseQuality screws, 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.
- i***i (335)- Feedback left by buyer.Past 6 monthsVerified purchaseSeller did their part in shipping the order, but USPS sent it on a world tour and somehow it is now out for delivery in Carolina, Puerto Rico 00984. The destination was in East TN. Seller issued a full refund and was very receptive to communication. I would buy from again A++