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Info sheets

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Machine screws
Contact us
Interscrews

Countersunk
head

 

 

Raised Countersunk
head

 

 

Panhead

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

When ordering please state if you prefer slotted or pozidriv cross-heads (if available). Please phone or e-mail to check on availability and postage cost.
PRICES DO NOT INCLUDE POSTAGE.

B.A. threaded screws are often found on older British boats. The 2BA and M5 threads are quite similar so care must be taken when deciding what to order. An easy way to tell if your screws are countersunk or raised countersunk is the head diameter of 2BA screws is 8mm whilst the head diameter of M5 screws is 9mm.

STAINLESS STEEL
(Prices in Bold Type are for A4 Grade, otherwise A2 Grade)

SIZE M4/PRICE PER 10
LENGTH COUNTERSUNK RAISED COUNTERSUNK PANHEAD
1/4" 6mm 60p £1.00
5/16" 8mm 60p 80p £1.00
3/8" 9.5mm £1.00 £1.50 80p
1/2" 12.5mm 80p £1.00 90p
5/8" 16mm 90p £1.00 £1.00
3/4" 20mm £1.00 £1.00 £1.20
1" 25mm £1.10 £1.30 £1.40
1-3/16" 30mm £1.50 £2.00
1-3/8" 35mm £1.70
1-9/16" 40mm £2.00
SIZE M5/PRICE PER 10
LENGTH COUNTERSUNK RAISED COUNTERSUNK PANHEAD
1/4" 6mm
5/16" 8mm £1.00 £1.20
3/8" 9.5mm 90p £1.20 £1.30
1/2" 12.5mm £1.00 £1.30 £1.40
5/8" 16mm £1.20 £1.40 £1.60
3/4" 20mm £1.40 £1.80 £1.70
1" 25mm £1.70 £1.80 £2.00
1-3/16" 30mm £1.90 £2.10
1-3/8" 35mm £2.50
1-9/16" 40mm £3.00
1-3/4" 45mm £3.50
SIZE 4BA/PRICE PER 10
LENGTH COUNTERSUNK RAISED COUNTERSUNK ROUNDHEAD
3/8" 9.5mm £1.00
1/2" 12.5mm £3.00
5/8" 16mm £1.20
3/4" 19mm £1.30
SIZE 2BA/PRICE PER 10
LENGTH COUNTERSUNK RAISED COUNTERSUNK ROUNDHEAD
3/8" 9.5mm £1.40 out of stock £1.60
1/2" 12.5mm £1.60 out of stock £1.70
5/8" 16mm £1.80 out of stock £1.80
3/4" 19mm no longer available £2.20 £2.00
1" 25mm £2.00 £2.40 £2.20
NUTS AND WASHERS/PRICE PER 10
M4 £0.50
M5 £0.60
M5 Nyloc nuts and washers £1.00
4BA £0.30
2BA £0.60
CUP WASHERS/PRICE PER 10
No6 Cup Washer
to fit:
No6 Countersunk self-tapping screws
4BA Raised countersunk screws
M3.5 Raised countersunk screws
£0.50
No8 Cup Washer
to fit:
No8 Countersunk self-tapping screws
2BA Raised countersunk screws
M4 Raised and countersunk screws
£0.50
No10 Cup Washer
to fit:
No10 Countersunk self-tapping screws
2BA Raised countersunk screws
M5 Raised and countersunk screws
£0.10
NYLON WASHERS/PRICE PER 10
M4 (white) £0.60
M5 (white) £0.60
M6 (black) £0.70
M10 (white) £2.40
M12 (white) £2.50
LARGE DIAMETER WASHERS/PRICE PER 10
M4x12mm dia A4 stainless £0.60
M5x12mm dia A4 stainless £0.50
M5x25mm dia A4 stainless £1.50
M6x25mm dia A4 stainless £3.00
M6x30mm dia A4 stainless £3.50